Check United Airlines UA540 (AUL) Flight Schedule
Stay Updated on your United Airlines UA540 (AUL) flight status updates here
8h 18m
About United Airlines UA540 (AUL)
UA540 (AUL) is a scheduled service operated by United Airlines, connecting San Diego - Chicago with an average flight time of 8h 18m. 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
3
Today’s Flight
| Date | Departure | Arrival | Duration | Aircraft |
|---|---|---|---|---|
Thursday 13 August 2026 | 12:35 San Francisco International Airport | 20:53 Ontario International Airport | 8h 18m | - |
Thursday 13 August 2026 | 12:35 San Francisco International Airport | 12:50 +1d Ontario International Airport | 24h 15m | - |
Thursday 13 August 2026 | 12:35 San Francisco International Airport | 22:27 San Diego International Airport | 9h 52m | - |
Thursday 13 August 2026 | 12:35 San Francisco International Airport | 20:51 McCarran International Airport | 8h 16m | - |
Thursday 13 August 2026 | 12:35 San Francisco International Airport | 20:55 George Bush Intercontinental Airport | 6h 20m | - |
Upcoming Flight
| Date | Departure | Arrival | Duration | Aircraft |
|---|---|---|---|---|
Friday 14 August 2026 | 12:35 San Francisco International Airport | 00:32 +1d Dulles International Airport | 8h 57m | - |
Friday 14 August 2026 | 12:35 San Francisco International Airport | 23:19 Dulles International Airport | 7h 44m | - |
Friday 14 August 2026 | 12:35 San Francisco International Airport | 22:09 Phoenix Sky Harbor International Airport | 9h 34m | - |
Friday 14 August 2026 | 12:35 San Francisco International Airport | 20:24 Phoenix Sky Harbor International Airport | 7h 49m | - |
Friday 14 August 2026 | 12:35 San Francisco International Airport | 20:53 Ontario International Airport | 8h 18m | - |
Popular Route from San Diego
Popular Route to Chicago
Why travel with Airpaz?
Simplify Your Booking Experience
Feel the flexibility and simplicity throughout your booking process
Wide Selections of Travel Product
Enjoy your memorable moments with millions of favorable flights and accommodations
Exclusive Offer Everyday
Various daily promo with competitive price for all travelers
Online Booking Expert
Together with our credible partners, fulfilling countless traveler's needs since 2011
Affectionate Customer Support
Giving best assistance, our customer support is available 24/7 with your local language
World's Local Booking Excitement
Stress-free booking experience with local payment, currency, and language