Check United Airlines UA540 (AUL) Flight Schedule

Stay Updated on your United Airlines UA540 (AUL) flight status updates here

Flight
Hotel
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Mon, 22 Jun 2026
Tue, 23 Jun 2026
Wed, 24 Jun 2026

From

Mon, 22 Jun 2026

San Francisco

(SFO)

12:43

8h 3m

To

Mon, 22 Jun 2026

Ontario

(ONT)

20:46

About United Airlines UA540 (AUL)

UA540 (AUL) is a scheduled service operated by United Airlines, connecting Denver - San Diego with an average flight time of 8h 3m. It departs from San Francisco International Airport (SFO) and arrives at Ontario International Airport (ONT) . Browse real-time schedules, compare fares, and book your seat — all in one place on Airpaz.

Last Updated on

Flight Information United Airlines UA540 (AUL)

Lowest Fare Month

Dec

Total Destinations

2

Today’s Flight

DateDepartureArrivalDurationAircraft

Monday

22 June 2026

12:43

San Francisco International Airport

20:46

Ontario International Airport

8h 3m-

Monday

22 June 2026

12:43

San Francisco International Airport

21:59

Dallas Fort Worth International Airport

7h 16mAirbus A321neo

Monday

22 June 2026

12:43

San Francisco International Airport

21:10

Mexico City International Airport

7h 27mAirbus A321neo

Monday

22 June 2026

12:43

San Francisco International Airport

01:04 +1d

Newark Liberty International Airport

9h 21m-

Monday

22 June 2026

12:43

San Francisco International Airport

16:35

Denver International Airport

2h 52mAirbus Industrie A318/319/320/321

Upcoming Flight

DateDepartureArrivalDurationAircraft

Tuesday

23 June 2026

12:43

San Francisco International Airport

19:40

Los Angeles International Airport

6h 57m-

Tuesday

23 June 2026

12:43

San Francisco International Airport

16:35

Denver International Airport

2h 52mAirbus Industrie A318/319/320/321

Tuesday

23 June 2026

12:43

San Francisco International Airport

23:42

Newark Liberty International Airport

7h 59m-

Tuesday

23 June 2026

12:43

San Francisco International Airport

21:36

George Bush Intercontinental Airport

6h 53mAirbus Industrie A318/319/320/321

Tuesday

23 June 2026

12:43

San Francisco International Airport

23:17

Toronto Pearson International Airport

7h 34mAirbus A321neo

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