Is UA2400 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/Los_Angeles)
20 min early
This update may be out of date. Check with your airline.
Update time unavailable
Departure
San Francisco
SFO
Actual
Aug 28
Arrival
Las Vegas
LAS
Estimated
Aug 29
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
- Not available
Service date: · Scheduled departure date (America/New_York)
47 min late
Official source · Updated
Departure
Boston
BOS
Actual
Aug 28
Arrival
San Francisco
SFO
Actual
Aug 28
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 45 min late
SFO → LAS
- 9 min early
PHL → SFO
- 22 min early
SFO → LAS
- 15 min late
PHL → SFO
- 17 min early
SFO → LAS
Flight history and details
Aug 20, 2026 — Sep 19, 2026
- Observed arrivals
- 24
- Arrivals over 15 minutes late
- 9
- Observed cancellations
- 0
- Observed occurrences
- 38
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 17, 2026Arrived | San Francisco | Las Vegas | 45 | |
| Sep 17, 2026Arrived | Philadelphia | San Francisco | -9 | |
| Sep 16, 2026Arrived | San Francisco | Las Vegas | -22 | |
| Sep 16, 2026Arrived | Philadelphia | San Francisco | 15 | |
| Sep 15, 2026Arrived | San Francisco | Las Vegas | -17 | |
| Sep 14, 2026Arrived | San Francisco | Las Vegas | -21 | |
| Sep 14, 2026Arrived | Philadelphia | San Francisco | -18 | |
| Sep 13, 2026Arrived | Philadelphia | San Francisco | 21 | |
| Sep 11, 2026Arrived | San Francisco | Las Vegas | -3 | |
| Sep 10, 2026Arrived | San Francisco | Las Vegas | -2 | |
| Sep 9, 2026Arrived | San Francisco | Las Vegas | -9 | |
| Sep 9, 2026Arrived | Philadelphia | San Francisco | -12 | |
| Sep 8, 2026Arrived | San Francisco | Las Vegas | -29 | |
| Sep 7, 2026Arrived | San Francisco | Las Vegas | -22 | |
| Sep 7, 2026Arrived | Boston | San Francisco | -6 | |
| Sep 4, 2026Arrived | Boston | San Francisco | 36 | |
| Sep 3, 2026Arrived | Boston | San Francisco | 175 | |
| Sep 2, 2026Arrived | Boston | San Francisco | 50 | |
| Aug 31, 2026Arrived | Boston | San Francisco | 124 | |
| Aug 28, 2026Arrived | Boston | San Francisco | 47 | |
| Aug 27, 2026Arrived | Boston | San Francisco | 23 | |
| Aug 26, 2026Arrived | Boston | San Francisco | -23 | |
| Aug 24, 2026Arrived | San Francisco | Las Vegas | -17 | |
| Aug 24, 2026Arrived | Boston | San Francisco | 26 |