United Airlines flight UA 9520: Frankfurt - Sofia

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Fri,Sun 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A321 (321) 2:10 Valid until 2025-05-04
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon,Tue,Thu 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A320neo (32N) 2:10 Valid until 2025-05-06
Codeshare flight, operated by Lufthansa.(LH 1424)
Wed,Fri,Sat 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A319 (319) 2:10 Effective 2025-05-03 through 2025-05-09
Codeshare flight, operated by Lufthansa.(LH 1424)
Thu 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A320 (32A) 2:10 Operates only on 2025-05-08
Codeshare flight, operated by Lufthansa.(LH 1424)
Wed,Sat 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A321 (321) 2:10 Effective 2025-05-10 through 2025-05-14
Codeshare flight, operated by Lufthansa.(LH 1424)
Tue,Sun 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A320neo (32N) 2:10 Effective 2025-05-11 through 2025-05-13
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon,Thu-Sat 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A319 (319) 2:10 Effective 2025-05-12 through 2025-05-19
Codeshare flight, operated by Lufthansa.(LH 1424)
Thu,Sun 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A321 (321) 2:10 Effective 2025-05-18 through 2025-05-22
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon-Wed,Sun 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A319 (319) 2:10 Effective 2025-05-20 through 2025-05-28
Codeshare flight, operated by Lufthansa.(LH 1424)
Thu,Fri 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A320neo (32N) 2:10 Effective 2025-05-23 through 2025-05-30
Codeshare flight, operated by Lufthansa.(LH 1424)
Sat 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A320 (32A) 2:10 Operates only on 2025-05-24
Codeshare flight, operated by Lufthansa.(LH 1424)
Tue,Wed,Sat,Sun 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A319 (319) 2:10 Effective 2025-05-31 through 2025-06-04
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon,Thu-Sun 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A321 (321) 2:10 Effective 2025-06-02 through 2025-06-08
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon-Wed 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A319 (319) 2:10 Effective 2025-06-09 through 2025-06-11
Codeshare flight, operated by Lufthansa.(LH 1424)
Thu 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A320neo (32N) 2:10 Effective 2025-06-12 through 2025-06-19
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon,Fri-Sun 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A321 (321) 2:10 Effective 2025-06-13 through 2025-06-20
Codeshare flight, operated by Lufthansa.(LH 1424)
Tue,Wed 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A319 (319) 2:10 Effective 2025-06-17 through 2025-06-25
Codeshare flight, operated by Lufthansa.(LH 1424)
Sat 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A320neo (32N) 2:10 Operates only on 2025-06-21
Codeshare flight, operated by Lufthansa.(LH 1424)
Thu,Fri,Sun 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A321 (321) 2:10 Effective 2025-06-22 through 2025-06-29
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A320 (32A) 2:10 Operates only on 2025-06-23
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon-Wed,Sat 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A319 (319) 2:10 Effective 2025-06-28 through 2025-07-02
Codeshare flight, operated by Lufthansa.(LH 1424)
Thu 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A320 (320) 2:10 Operates only on 2025-07-03
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon,Fri-Sun 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A321 (321) 2:10 Effective 2025-07-04 through 2025-07-14
Codeshare flight, operated by Lufthansa.(LH 1424)
Tue-Thu 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A319 (319) 2:10 Effective 2025-07-08 through 2025-07-16
Codeshare flight, operated by Lufthansa.(LH 1424)
Thu,Fri 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A320neo (32N) 2:10 Effective 2025-07-17 through 2025-07-18
Codeshare flight, operated by Lufthansa.(LH 1424)
Fri-Sun 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A321 (321) 2:10 Effective 2025-07-19 through 2025-07-25
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon-Thu,Sat 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A319 (319) 2:10 Effective 2025-07-21 through 2025-07-31
Codeshare flight, operated by Lufthansa.(LH 1424)
Fri,Sun 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A321 (321) 2:10 Effective 2025-07-27 through 2025-08-03
Codeshare flight, operated by Lufthansa.(LH 1424)
Sat 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A320neo (32N) 2:10 Operates only on 2025-08-02
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon-Wed 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A319 (319) 2:10 Effective 2025-08-04 through 2025-08-06
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon,Wed-Sun 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A321 (321) 2:10 Effective 2025-08-07 through 2025-08-18
Codeshare flight, operated by Lufthansa.(LH 1424)
Tue 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A319 (319) 2:10 Operates only on 2025-08-12
Codeshare flight, operated by Lufthansa.(LH 1424)
Daily 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A321 (321) 2:10 Effective 2025-08-19 through 2025-09-03
Codeshare flight, operated by Lufthansa.(LH 1424)
Thu 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A320neo (32N) 2:10 Operates only on 2025-09-04
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon,Wed-Sun 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A321 (321) 2:10 Effective 2025-09-05 through 2025-09-15
Codeshare flight, operated by Lufthansa.(LH 1424)
Tue 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A319 (319) 2:10 Effective 2025-09-09 through 2025-09-16
Codeshare flight, operated by Lufthansa.(LH 1424)
Tue,Wed 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A319 (319) 2:10 Effective 2025-09-17 through 2025-09-24
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon,Thu-Sun 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A321 (321) 2:10 Effective 2025-09-18 through 2025-09-22
Codeshare flight, operated by Lufthansa.(LH 1424)
Tue-Thu 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A319 (319) 2:10 Effective 2025-09-25 through 2025-10-01
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon,Fri-Sun 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A321 (321) 2:10 Effective 2025-09-26 through 2025-09-29
Codeshare flight, operated by Lufthansa.(LH 1424)
Thu,Sat 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A320neo (32N) 2:10 Effective 2025-10-02 through 2025-10-04
Codeshare flight, operated by Lufthansa.(LH 1424)
Fri 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A320 (32A) 2:10 Operates only on 2025-10-03
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon,Fri-Sun 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A321 (321) 2:10 Effective 2025-10-05 through 2025-10-12
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon-Thu 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A319 (319) 2:10 Effective 2025-10-07 through 2025-10-14
Codeshare flight, operated by Lufthansa.(LH 1424)
Wed 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A321neo (32Q) 2:10 Operates only on 2025-10-15
Codeshare flight, operated by Lufthansa.(LH 1424)
Mon-Fri 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A319 (319) 2:10 Effective 2025-10-16 through 2025-10-23
Codeshare flight, operated by Lufthansa.(LH 1424)
Fri-Sun 08:05 Frankfurt (FRA) 1 11:15 Sofia (SOF) 2
UA 9520 Non-stop Airbus A321 (321) 2:10 Effective 2025-10-18 through 2025-10-25
Codeshare flight, operated by Lufthansa.(LH 1424)
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United Airlines flight UA 9520:
Frankfurt - Sofia
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Valid until 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A321 (321)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Valid until 2025-05-06
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A320neo (32N)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-05-03 through 2025-05-09
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A319 (319)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Operates only on 2025-05-08
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A320 (32A)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-05-10 through 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A321 (321)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-05-11 through 2025-05-13
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A320neo (32N)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-05-12 through 2025-05-19
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A319 (319)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-05-18 through 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A321 (321)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-05-20 through 2025-05-28
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A319 (319)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-05-23 through 2025-05-30
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A320neo (32N)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Operates only on 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A320 (32A)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-05-31 through 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A319 (319)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-06-02 through 2025-06-08
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A321 (321)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-06-09 through 2025-06-11
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A319 (319)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-06-12 through 2025-06-19
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A320neo (32N)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-06-13 through 2025-06-20
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A321 (321)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-06-17 through 2025-06-25
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A319 (319)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Operates only on 2025-06-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A320neo (32N)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-06-22 through 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A321 (321)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Operates only on 2025-06-23
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A320 (32A)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-06-28 through 2025-07-02
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A319 (319)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Operates only on 2025-07-03
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A320 (320)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-07-04 through 2025-07-14
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A321 (321)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-07-08 through 2025-07-16
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A319 (319)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-07-17 through 2025-07-18
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A320neo (32N)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-07-19 through 2025-07-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A321 (321)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-07-21 through 2025-07-31
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A319 (319)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-07-27 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A321 (321)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Operates only on 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A320neo (32N)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-08-04 through 2025-08-06
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A319 (319)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-08-07 through 2025-08-18
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A321 (321)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Operates only on 2025-08-12
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A319 (319)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-08-19 through 2025-09-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A321 (321)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Operates only on 2025-09-04
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A320neo (32N)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-09-05 through 2025-09-15
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A321 (321)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-09-09 through 2025-09-16
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A319 (319)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-09-17 through 2025-09-24
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A319 (319)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-09-18 through 2025-09-22
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A321 (321)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-09-25 through 2025-10-01
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A319 (319)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-09-26 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A321 (321)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-10-02 through 2025-10-04
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A320neo (32N)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Operates only on 2025-10-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A320 (32A)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-10-05 through 2025-10-12
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A321 (321)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-10-07 through 2025-10-14
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A319 (319)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Operates only on 2025-10-15
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A321neo (32Q)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-10-16 through 2025-10-23
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A319 (319)
United Airlines UA9520
08:05
Frankfurt (FRA) 1

11:15
Sofia (SOF) 2
Effective 2025-10-18 through 2025-10-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Lufthansa. (LH 1424)
Duration: 2:10, non-stop
Airbus A321 (321)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here FRA-SOF
  • UA 9520 is an international flight departing from Frankfurt airport, Germany (FRA) and arriving at Sofia airport, Bulgaria (SOF).
  • The flight distance is 867 miles, or 1396 km.
  • The timezone of the departure airport is UTC+1 , and the timezone of the arrival airport is UTC+2 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time is 2:10.
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