Alaska Airlines, Inc.
Is AS660 delayed?
No delay reported yet. AS660 is scheduled to leave Seattle at 13:22 on Nov 14 and reach Missoula at 15:18 (as of Nov 14, 16:03 UTC).
Usually on time: arrived within 15 min of schedule on 30 of the last 54 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 come in.
Update time unavailable
Departure
Seattle
SEA
Scheduled
Nov 14
Arrival
Missoula
MSO
Scheduled
Nov 14
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
No live update yet
Showing the published schedule until live times come in.
Update time unavailable
Departure
Missoula
MSO
Scheduled
Nov 14
Arrival
Seattle
SEA
Scheduled
Nov 14
Times shown in airport local time
Service date: · Scheduled departure date (America/Denver)
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.
- 27 min late
Missoula → Seattle
- On schedule (13 min behind)
Missoula → Seattle
- On schedule (5 min behind)
Seattle → Missoula
- 70 min late
Missoula → Seattle
- On schedule (8 min behind)
Seattle → Missoula
Is AS660 usually late?
Period: Oct 15, 2026 – Nov 14, 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. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.
At the airports today
Seattle (SEA) departures
- Left more than 15 min late
- 25 of 54
- Cancelled today
- 37
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Nov 13, 2026Cancelled | Missoula | Seattle | Not available | Not available |
| Nov 13, 2026Cancelled | Seattle | Missoula | Not available | Not available |
| Nov 12, 2026Arrived | Missoula | Seattle | 27 | |
| Nov 11, 2026Arrived | Missoula | Seattle | 13 | |
| Nov 11, 2026Arrived | Seattle | Missoula | 5 | |
| Nov 10, 2026Arrived | Missoula | Seattle | 70 | |
| Nov 10, 2026Arrived | Seattle | Missoula | 8 | |
| Nov 9, 2026Arrived | Missoula | Seattle | 39 | |
| Nov 9, 2026Arrived | Seattle | Missoula | 2 | |
| Nov 8, 2026Arrived | Missoula | Seattle | 11 | |
| Nov 8, 2026Arrived | Seattle | Missoula | 2 | |
| Nov 7, 2026Arrived | Missoula | Seattle | 27 | |
| Nov 7, 2026Arrived | Seattle | Missoula | -19 | |
| Nov 6, 2026Arrived | Missoula | Seattle | 255 | |
| Nov 6, 2026Arrived | Seattle | Missoula | 254 | |
| Nov 5, 2026Arrived | Missoula | Seattle | 171 | |
| Nov 5, 2026Arrived | Seattle | Missoula | 79 | |
| Nov 4, 2026Arrived | Missoula | Seattle | 11 | |
| Nov 4, 2026Arrived | Seattle | Missoula | -12 | |
| Nov 3, 2026Arrived | Missoula | Seattle | 7 | |
| Nov 3, 2026Arrived | Seattle | Missoula | -15 | |
| Nov 2, 2026Arrived | Missoula | Seattle | 14 | |
| Nov 2, 2026Arrived | Seattle | Missoula | -18 | |
| Nov 1, 2026Arrived | Missoula | Seattle | -19 | |
| Nov 1, 2026Arrived | Seattle | Missoula | -13 | |
| Oct 31, 2026Arrived | Seattle | Missoula | -2 | |
| Oct 30, 2026Arrived | Missoula | Seattle | 15 | |
| Oct 29, 2026Arrived | Missoula | Seattle | -15 | |
| Oct 28, 2026Arrived | Missoula | Seattle | 5 | |
| Oct 28, 2026Arrived | Seattle | Missoula | -4 | |
| Oct 27, 2026Arrived | Missoula | Seattle | -18 | |
| Oct 27, 2026Arrived | Seattle | Missoula | 7 | |
| Oct 26, 2026Arrived | Missoula | Seattle | 21 | |
| Oct 26, 2026Arrived | Seattle | Missoula | 12 | |
| Oct 25, 2026Arrived | Missoula | Seattle | -11 | |
| Oct 25, 2026Arrived | Seattle | Missoula | 15 | |
| Oct 24, 2026Arrived | Missoula | Seattle | 18 | |
| Oct 24, 2026Arrived | Seattle | Missoula | 13 | |
| Oct 23, 2026Arrived | Missoula | Seattle | 41 | |
| Oct 23, 2026Arrived | Seattle | Missoula | 22 | |
| Oct 22, 2026Arrived | Missoula | Seattle | 13 | |
| Oct 22, 2026Arrived | Seattle | Missoula | 7 | |
| Oct 21, 2026Arrived | Missoula | Seattle | 25 | |
| Oct 21, 2026Arrived | Seattle | Missoula | 51 | |
| Oct 20, 2026Arrived | Missoula | Seattle | -19 | |
| Oct 20, 2026Arrived | Seattle | Missoula | 32 | |
| Oct 19, 2026Arrived | Missoula | Seattle | 26 | |
| Oct 19, 2026Arrived | Seattle | Missoula | 9 | |
| Oct 18, 2026Arrived | Missoula | Seattle | 51 | |
| Oct 18, 2026Arrived | Seattle | Missoula | 32 | |
| Oct 17, 2026Arrived | Missoula | Seattle | 11 | |
| Oct 17, 2026Arrived | Seattle | Missoula | 30 | |
| Oct 16, 2026Arrived | Missoula | Seattle | 22 | |
| Oct 16, 2026Arrived | Seattle | Missoula | 25 | |
| Oct 15, 2026Arrived | Missoula | Seattle | 16 | |
| Oct 15, 2026Arrived | Seattle | Missoula | 19 |