Is AS571 delayed?
Service date: · Scheduled departure date (America/Los_Angeles)
Arrived
6 min early
Updated
Departure
Seattle
SEA
Actual
Scheduled 11:29
Aug 30
Arrival
Ontario
ONT
Actual
Scheduled 21:09
Aug 30
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
SEAONT
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 4 min late
SEA → ONT
- 52 min late
SEA → ONT
- 9 min late
SEA → ONT
- 10 min late
SEA → ONT
- 3 min early
SEA → ONT
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 23
- Arrivals over 15 minutes late
- 8
- Observed cancellations
- 0
- Observed occurrences
- 30
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 16, 2026Arrived | Seattle | Ontario | 4 | |
| Sep 15, 2026Arrived | Seattle | Ontario | 52 | |
| Sep 14, 2026Arrived | Seattle | Ontario | 9 | |
| Sep 13, 2026Arrived | Seattle | Ontario | 10 | |
| Sep 12, 2026Arrived | Seattle | Ontario | -3 | |
| Sep 11, 2026Arrived | Seattle | Ontario | 19 | |
| Sep 10, 2026Arrived | Seattle | Ontario | 11 | |
| Sep 9, 2026Arrived | Seattle | Ontario | 28 | |
| Sep 8, 2026Arrived | Seattle | Ontario | 170 | |
| Sep 7, 2026Arrived | Seattle | Ontario | -6 | |
| Sep 6, 2026Arrived | Seattle | Ontario | -8 | |
| Sep 5, 2026Arrived | Seattle | Ontario | -13 | |
| Sep 4, 2026Arrived | Seattle | Ontario | 40 | |
| Sep 1, 2026Arrived | Seattle | Ontario | 11 | |
| Aug 31, 2026Arrived | Seattle | Ontario | 8 | |
| Aug 30, 2026Arrived | Seattle | Ontario | -6 | |
| Aug 29, 2026Arrived | Seattle | Ontario | -13 | |
| Aug 28, 2026Arrived | Seattle | Ontario | -11 | |
| Aug 27, 2026Arrived | Seattle | Ontario | 30 | |
| Aug 26, 2026Arrived | Seattle | Ontario | 21 | |
| Aug 25, 2026Arrived | Seattle | Ontario | -7 | |
| Aug 24, 2026Arrived | Seattle | Ontario | 149 | |
| Aug 19, 2026Arrived | Seattle | Ontario | -18 |