Is AS309 delayed?
Service date: · Scheduled departure date (America/Denver)
Arrived
17 min late
Updated
Departure
Denver
DEN
Actual
Scheduled 17:34
Aug 30
Arrival
Seattle
SEA
Actual
Scheduled 19:34
Aug 30
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.
- 53 min late
DEN → SEA
- 63 min late
DEN → SEA
- 30 min late
DEN → SEA
- 16 min late
DEN → SEA
- 73 min late
DEN → SEA
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 20
- Arrivals over 15 minutes late
- 12
- Observed cancellations
- 0
- Observed occurrences
- 22
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 | Denver | Seattle | 53 | |
| Sep 14, 2026Arrived | Denver | Seattle | 63 | |
| Sep 13, 2026Arrived | Denver | Seattle | 30 | |
| Sep 11, 2026Arrived | Denver | Seattle | 16 | |
| Sep 10, 2026Arrived | Denver | Seattle | 73 | |
| Sep 9, 2026Arrived | Denver | Seattle | 11 | |
| Sep 8, 2026Arrived | Denver | Seattle | 54 | |
| Sep 7, 2026Arrived | Denver | Seattle | 24 | |
| Sep 6, 2026Arrived | Denver | Seattle | 2 | |
| Sep 4, 2026Arrived | Denver | Seattle | 66 | |
| Sep 3, 2026Arrived | Denver | Seattle | -11 | |
| Sep 2, 2026Arrived | Denver | Seattle | 10 | |
| Sep 1, 2026Arrived | Denver | Seattle | -11 | |
| Aug 31, 2026Arrived | Denver | Seattle | 20 | |
| Aug 30, 2026Arrived | Denver | Seattle | 17 | |
| Aug 28, 2026Arrived | Denver | Seattle | -17 | |
| Aug 27, 2026Arrived | Denver | Seattle | -15 | |
| Aug 26, 2026Arrived | Denver | Seattle | 5 | |
| Aug 24, 2026Arrived | Denver | Seattle | 81 | |
| Aug 23, 2026Arrived | Denver | Seattle | 108 |