Alaska Airlines, Inc.
Is AS489 delayed?
No delay reported yet — AS489 is scheduled to leave Seattle at 20:50 on Sep 27 and reach Ontario at 06:01 (Sep 28) (as of Sep 27, 10:56 UTC). Over its last 16 recorded arrivals, 5 landed more than 15 min late.
No live update yet
Showing the published schedule until live times are reported.
Update time unavailable
Departure
Seattle
SEA
Scheduled
Sep 27
Arrival
Ontario
ONT
Scheduled
Sep 28
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 60 min late
SEA → ONT
- 136 min late
SEA → ONT
- 17 min late
SEA → ONT
- 33 min late
SEA → ONT
- On schedule (4 min behind)
SEA → ONT
Flight history and details
Aug 28, 2026 — Sep 27, 2026
- Observed arrivals
- 16
- Arrivals over 15 minutes late
- 5
- Observed cancellations
- 0
- Observed occurrences
- 16
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 25, 2026Arrived | Seattle | Ontario | 60 | |
| Sep 24, 2026Arrived | Seattle | Ontario | 136 | |
| Sep 21, 2026Arrived | Seattle | Ontario | 17 | |
| Sep 20, 2026Arrived | Seattle | Ontario | 33 | |
| Sep 18, 2026Arrived | Seattle | Ontario | 4 | |
| Sep 17, 2026Arrived | Seattle | Ontario | 34 | |
| Sep 14, 2026Arrived | Seattle | Ontario | 11 | |
| Sep 13, 2026Arrived | Seattle | Ontario | 4 | |
| Sep 11, 2026Arrived | Seattle | Ontario | 3 | |
| Sep 7, 2026Arrived | Seattle | Ontario | 13 | |
| Sep 6, 2026Arrived | Seattle | Ontario | -13 | |
| Sep 4, 2026Arrived | Seattle | Ontario | -9 | |
| Sep 3, 2026Arrived | Seattle | Ontario | 3 | |
| Aug 31, 2026Arrived | Seattle | Ontario | -5 | |
| Aug 30, 2026Arrived | Seattle | Ontario | 7 | |
| Aug 28, 2026Arrived | Seattle | Ontario | -4 |