Is UA2309 delayed?
No delay reported yet — UA2309 is scheduled to leave Denver at 08:01 on Oct 1 and reach San Diego at 09:05 (as of Oct 1, 10:10 UTC).
Usually on time: arrived within 15 min of schedule on 52 of the last 59 flights.
Each route and date is shown separately. Confirm that both airports match your booking.
No live update yet
Showing the published schedule until live times are reported.
Update time unavailable
Departure
Denver
DEN
Scheduled
Oct 1
Arrival
San Diego
SAN
Scheduled
Oct 1
Times shown in airport local time
Service date: · Scheduled departure date (America/Denver)
Think UA2309 runs late today? Delayed is trading at 13¢ — pays out x7.92.
Will United Airlines UAL 2309 from Denver to San Diego arrive on time, be delayed, or be cancelled on Oct 1?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.
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This update may be out of date.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
Oct 1
Times shown in airport local time
Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)
Flight details
Departure · UTC
- Scheduled
- Not available
- 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.
Also sold as AC4450, NZ9598, NZ9643, AZ4481, LH9223, VA8434
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 17 min early
San Diego → San Francisco
- 3 min early
Denver → San Diego
- 19 min early
San Diego → San Francisco
- 14 min early
Denver → San Diego
- 18 min early
San Diego → San Francisco
Is UA2309 usually late?
Observation window: Sep 1, 2026 – Oct 1, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Denver (DEN) departures
- Left more than 15 min late
- 1 of 4
- Cancelled today
- 0
San Diego (SAN) departures
- Left more than 15 min late
- 1 of 1
- Cancelled today
- 0
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 30, 2026Arrived | San Diego | San Francisco | -17 | |
| Sep 30, 2026Arrived | Denver | San Diego | -3 | |
| Sep 29, 2026Arrived | San Diego | San Francisco | -19 | |
| Sep 29, 2026Arrived | Denver | San Diego | -14 | |
| Sep 28, 2026Arrived | San Diego | San Francisco | -18 | |
| Sep 28, 2026Arrived | Denver | San Diego | 24 | |
| Sep 27, 2026Arrived | San Diego | San Francisco | -1 | |
| Sep 27, 2026Arrived | Denver | San Diego | -12 | |
| Sep 26, 2026Arrived | San Diego | San Francisco | -23 | |
| Sep 26, 2026Arrived | Denver | San Diego | -6 | |
| Sep 25, 2026Arrived | San Diego | San Francisco | -16 | |
| Sep 25, 2026Arrived | Denver | San Diego | -20 | |
| Sep 24, 2026Arrived | San Diego | San Francisco | -17 | |
| Sep 24, 2026Arrived | Denver | San Diego | 0 | |
| Sep 23, 2026Arrived | San Diego | San Francisco | 1 | |
| Sep 23, 2026Arrived | Denver | San Diego | -11 | |
| Sep 22, 2026Arrived | San Diego | San Francisco | 25 | |
| Sep 22, 2026Arrived | Denver | San Diego | -12 | |
| Sep 21, 2026Arrived | San Diego | San Francisco | 2 | |
| Sep 21, 2026Arrived | Denver | San Diego | 4 | |
| Sep 20, 2026Arrived | San Diego | San Francisco | 71 | |
| Sep 20, 2026Arrived | Denver | San Diego | -2 | |
| Sep 19, 2026Arrived | San Diego | San Francisco | -14 | |
| Sep 19, 2026Arrived | Denver | San Diego | -1 | |
| Sep 18, 2026Arrived | San Diego | San Francisco | 52 | |
| Sep 18, 2026Arrived | Denver | San Diego | -11 | |
| Sep 17, 2026Arrived | San Diego | San Francisco | 31 | |
| Sep 17, 2026Arrived | Denver | San Diego | -10 | |
| Sep 16, 2026Arrived | San Diego | San Francisco | -9 | |
| Sep 16, 2026Arrived | Denver | San Diego | -4 | |
| 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 |
Email me if UA2309 runs late
We email you if your next UA2309 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.