United Airlines
flight
UA 520:
Multiple routes
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FLIGHT SCHEDULE
Direct Flights:
United Airlines UA520
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:24, non-stop
Airbus A320 (320)
Airbus A320 (320)
United Airlines UA520
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:56, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
United Airlines UA520
Effective 2025-11-02 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:56, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
United Airlines UA520
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:56, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
United Airlines UA520
Effective from 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:30, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
United Airlines UA520
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:30, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
United Airlines UA520
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:42, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
United Airlines UA520
Effective 2025-11-08 through 2025-11-29
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 4:42, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
United Airlines UA520
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:53, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
United Airlines UA520
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:53, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
United Airlines UA520
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Duration: 2:48, non-stop
Boeing 757-300 (753)
Boeing 757-300 (753)
United Airlines UA520
Effective 2025-05-04 through 2025-05-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 2:50, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA520
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:27, 1-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Boeing 737-900 (739)
The flight arrives 1 day after departure.
United Airlines UA520
Effective 2025-11-08 through 2025-11-29
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 10:27, 1-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
United Airlines UA520
Effective 2025-12-02 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:10, 1-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
United Airlines UA520
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:10, 1-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
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Parallax here -
This flight number is listed as serving the following routes:
- George Bush, Houston (IAH) - Chicago O'Hare (ORD)
- George Bush, Houston (IAH) - Newark Liberty, New York (EWR)
- George Bush, Houston (IAH) - Phoenix Sky Harbor (PHX)
- Phoenix Sky Harbor (PHX) - Chicago O'Hare (ORD)
- Phoenix Sky Harbor (PHX) - Newark Liberty, New York (EWR)
- Vancouver (YVR) - San Francisco (SFO)