Is UA2309 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)
On time
This update may be out of date. Check with your airline.
Update time unavailable
Departure
San Diego
SAN
Scheduled
Not available
Arrival
San Francisco
SFO
Estimated
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
- Not available
Service date: · Scheduled departure date (America/Denver)
No live update yet
Check with your airline for the latest status.
Update time unavailable
Departure
Denver
DEN
Scheduled
Sep 16
Arrival
San Diego
SAN
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.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 8 min early
SAN → SFO
- 9 min early
DEN → SAN
- 9 min early
SAN → SFO
- 12 min late
DEN → SAN
- 12 min early
SAN → SFO
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 47
- Arrivals over 15 minutes late
- 7
- Observed cancellations
- 0
- Observed occurrences
- 57
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 Diego | San Francisco | -8 | |
| Sep 15, 2026Arrived | Denver | San Diego | -9 | |
| Sep 14, 2026Arrived | San Diego | San Francisco | -9 | |
| Sep 14, 2026Arrived | Denver | San Diego | 12 | |
| Sep 13, 2026Arrived | San Diego | San Francisco | -12 | |
| Sep 13, 2026Arrived | Denver | San Diego | -6 | |
| Sep 12, 2026Arrived | San Diego | San Francisco | -21 | |
| Sep 12, 2026Arrived | Denver | San Diego | -3 | |
| Sep 11, 2026Arrived | San Diego | San Francisco | 4 | |
| Sep 11, 2026Arrived | Denver | San Diego | -6 | |
| Sep 10, 2026Arrived | San Diego | San Francisco | -8 | |
| Sep 10, 2026Arrived | Denver | San Diego | -11 | |
| Sep 9, 2026Arrived | San Diego | San Francisco | -28 | |
| Sep 9, 2026Arrived | Denver | San Diego | 47 | |
| Sep 8, 2026Arrived | San Diego | San Francisco | -14 | |
| Sep 8, 2026Arrived | Denver | San Diego | -4 | |
| Sep 7, 2026Arrived | San Diego | San Francisco | -20 | |
| Sep 7, 2026Arrived | Denver | San Diego | -4 | |
| Sep 6, 2026Arrived | San Diego | San Francisco | -22 | |
| Sep 6, 2026Arrived | Denver | San Diego | -12 | |
| Sep 5, 2026Arrived | San Diego | San Francisco | -31 | |
| Sep 5, 2026Arrived | Denver | San Diego | -6 | |
| Sep 4, 2026Arrived | San Diego | San Francisco | -12 | |
| Sep 4, 2026Arrived | Denver | San Diego | 4 | |
| Sep 3, 2026Arrived | San Diego | San Francisco | -19 | |
| Sep 2, 2026Arrived | San Diego | San Francisco | 35 | |
| Sep 2, 2026Arrived | Denver | San Diego | -17 | |
| Sep 1, 2026Arrived | San Diego | San Francisco | 3 | |
| Sep 1, 2026Arrived | Denver | San Diego | -8 | |
| Aug 31, 2026Arrived | San Diego | San Francisco | 58 | |
| Aug 31, 2026Arrived | Denver | San Diego | -7 | |
| Aug 30, 2026Arrived | San Diego | San Francisco | -10 | |
| Aug 30, 2026Arrived | Denver | San Diego | -9 | |
| Aug 29, 2026Arrived | San Diego | San Francisco | -35 | |
| Aug 29, 2026Arrived | Denver | San Diego | -15 | |
| Aug 28, 2026Arrived | San Diego | San Francisco | 48 | |
| Aug 28, 2026Arrived | Denver | San Diego | -10 | |
| Aug 27, 2026Arrived | San Diego | San Francisco | 2 | |
| Aug 27, 2026Arrived | Denver | San Diego | -9 | |
| Aug 26, 2026Arrived | San Diego | San Francisco | 93 | |
| Aug 26, 2026Arrived | Denver | San Diego | 2 | |
| Aug 25, 2026Arrived | San Diego | San Francisco | 17 | |
| Aug 25, 2026Arrived | Denver | San Diego | 153 | |
| Aug 24, 2026Arrived | San Diego | San Francisco | -7 | |
| Aug 18, 2026Arrived | San Diego | San Francisco | -10 | |
| Aug 17, 2026Arrived | San Diego | San Francisco | -12 | |
| Aug 17, 2026Arrived | Denver | San Diego | -26 |