Is UA2356 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/Los_Angeles)
No live update yet
Check with your airline for the latest status.
Update time unavailable
Departure
San Francisco
SFO
Scheduled
Sep 16
Arrival
Boston
BOS
Scheduled
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Service date: · Scheduled departure date (America/Los_Angeles)
8 min late
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Las Vegas
LAS
Scheduled
Sep 16
Arrival
San Francisco
SFO
Estimated
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
- Not available
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 9 min early
SFO → BOS
- 30 min late
SFO → BOS
- 29 min early
LAS → SFO
- 25 min late
SFO → BOS
- 19 min early
LAS → SFO
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 31
- Arrivals over 15 minutes late
- 15
- Observed cancellations
- 0
- Observed occurrences
- 53
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 15, 2026Arrived | San Francisco | Boston | -9 | |
| Sep 14, 2026Arrived | San Francisco | Boston | 30 | |
| Sep 14, 2026Arrived | Las Vegas | San Francisco | -29 | |
| Sep 13, 2026Arrived | San Francisco | Boston | 25 | |
| Sep 13, 2026Arrived | Las Vegas | San Francisco | -19 | |
| Sep 12, 2026Arrived | San Francisco | Boston | 40 | |
| Sep 12, 2026Arrived | Las Vegas | San Francisco | -15 | |
| Sep 11, 2026Arrived | San Francisco | Boston | -3 | |
| Sep 10, 2026Arrived | San Francisco | Boston | 98 | |
| Sep 9, 2026Arrived | San Francisco | Boston | 42 | |
| Sep 9, 2026Arrived | Las Vegas | San Francisco | -23 | |
| Sep 8, 2026Arrived | San Francisco | Boston | 33 | |
| Sep 7, 2026Arrived | San Francisco | Boston | 44 | |
| Sep 7, 2026Arrived | Las Vegas | San Francisco | -14 | |
| Sep 6, 2026Arrived | San Francisco | Boston | 258 | |
| Sep 6, 2026Arrived | Las Vegas | San Francisco | -20 | |
| Sep 5, 2026Arrived | Las Vegas | San Francisco | 66 | |
| Sep 4, 2026Arrived | San Francisco | Boston | 38 | |
| Sep 4, 2026Arrived | Las Vegas | San Francisco | -22 | |
| Sep 3, 2026Arrived | Las Vegas | San Francisco | -17 | |
| Sep 2, 2026Arrived | San Francisco | Boston | -2 | |
| Sep 2, 2026Arrived | Las Vegas | San Francisco | 30 | |
| Aug 31, 2026Arrived | Las Vegas | San Francisco | 56 | |
| Aug 30, 2026Arrived | Las Vegas | San Francisco | -23 | |
| Aug 29, 2026Arrived | Las Vegas | San Francisco | -21 | |
| Aug 28, 2026Arrived | Las Vegas | San Francisco | 54 | |
| Aug 27, 2026Arrived | Las Vegas | San Francisco | -14 | |
| Aug 26, 2026Arrived | Las Vegas | San Francisco | -16 | |
| Aug 24, 2026Arrived | Las Vegas | San Francisco | -28 |