UA540: United flight 540
Denver (DEN) → San Diego (SAN) · departs 7:10p, lands 8:39p local · Daily
The timetable below has every scheduled departure; for today's flight, check United.
An estimate from the published timetable, not live tracking: it cannot know about delays, diversions or cancellations.
Live status at United →The route
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UA540 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| DEN → SANDenver to San Diego | 7:10p | 8:39p | 2h29m | Daily |
| SAN → ORDSan Diego to Chicago | 10:30p | 4:33a +1 | 4h3m | Daily |
| SFO → DENSan Francisco to Denver | 12:35p | 4:20p | 2h45m | Daily |
Other nonstops from Denver to San Diego
The departures either side of UA540. Times are Denver time.
| Flight | Departs | Days |
|---|---|---|
| Frontier | 2:39p | Daily |
| United UA1281 | 3:40p | Daily |
| Alaska AS636 | 6:59p | Daily |
| This flight UA540 | 7:10p | Daily |
| United UA2395 | 9:00p | Mon, Wed, Thu, Sun |
| Southwest | 9:05p | Mon–Sat |
| Frontier | 10:29p | Daily |
All 30 flights from DEN to SAN, by time →
Flying back from San Diego
United flies San Diego to Denver nonstop 41 times a week, from 7:00a to 6:50p: 7:00a UA2829 · 8:45a UA2476 · 12:37p UA1565 · 4:11p UA682 · 6:50p UA519 · every nonstop SAN → DEN →
How UA540 ran in our sample
DEN → SAN
2 of 7 departures left within 15 minutes of schedule (Oct 15–21). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Airbus A321neo on 7 of 7.
SAN → ORD
7 of 7 departures left within 15 minutes of schedule (Oct 4–10). Only flights that departed are counted: cancellations are not in our data.
Other flights on this route: AA518 · UA1016 · AS1446 · AA1696 · AA2343 · UA1710 · AS1478 · AA2131 · UA1068 · UA2486 · AA2065 · all of them →
SFO → DEN
6 of 7 departures left within 15 minutes of schedule (Oct 4–10). Only flights that departed are counted: cancellations are not in our data.
Other flights on this route: UA1479 · UA2448 · UA1604 · UA1596 · UA1835 · UA2436 · UA2117 · UA301 · all of them →
What time does UA540 leave Denver?
UA540 is scheduled to depart Denver (DEN) at 7:10p (daily), Denver time, and to land in San Diego (SAN) at about 8:39p local time, a scheduled 2h29m. Times are the published ones from the flights we sampled Oct 15–21; check United for today's.
What time does UA540 leave San Diego?
UA540 is scheduled to depart San Diego (SAN) at 10:30p (daily), San Diego time, and to land in Chicago (ORD) at about 4:33a the next day local time, a scheduled 4h3m. Times are the published ones from the flights we sampled Oct 4–10; check United for today's.
What time does UA540 leave San Francisco?
UA540 is scheduled to depart San Francisco (SFO) at 12:35p (daily), San Francisco time, and to land in Denver (DEN) at about 4:20p local time, a scheduled 2h45m. Times are the published ones from the flights we sampled Oct 4–10; check United for today's.
What plane is UA540?
Airbus A321neo on 7 of the 7 UA540 flights from DEN we sampled Oct 15–21. Airlines swap aircraft, so the plane on a given day can differ.
Does UA540 fly every day?
Yes — UA540 flew Denver to San Diego every day of the week we sampled (Oct 15–21).
Is UA540 usually on time?
Of 7 UA540 departures from DEN we sampled Oct 15–21, 2 left within 15 minutes of the scheduled time. That counts only flights that departed — cancellations are not in our data — and one week is a small sample, so treat it as a hint, not a rating.
More United flights from Denver
Timetable from United departures we observed; UA540 is a United Airlines flight number, and Hop Nonstop is not affiliated with United. Schedules change — confirm with the airline before you travel.