Delta Air Lines
Is DL1239 delayed?
Service date: · Scheduled departure date (America/Los_Angeles)
Arrived
37 min late
Official source · Updated
Departure
Seattle
SEA
Actual
Scheduled 20:21
Sep 14
Arrival
Salt Lake City
SLC
Actual
Scheduled 23:03
Sep 14
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 37 min late
SEA → SLC
- 18 min late
SEA → SLC
- 14 min late
SEA → SLC
- 24 min early
SEA → SLC
- 13 min early
SEA → SLC
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 11
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 0
- Observed occurrences
- 11
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 14, 2026Arrived | Seattle | Salt Lake City | 37 | |
| Sep 13, 2026Arrived | Seattle | Salt Lake City | 18 | |
| Sep 7, 2026Arrived | Seattle | Salt Lake City | 14 | |
| Sep 4, 2026Arrived | Seattle | Salt Lake City | -24 | |
| Sep 3, 2026Arrived | Seattle | Salt Lake City | -13 | |
| Aug 30, 2026Arrived | Seattle | Salt Lake City | -11 | |
| Aug 28, 2026Arrived | Seattle | Salt Lake City | 72 | |
| Aug 27, 2026Arrived | Seattle | Salt Lake City | -18 | |
| Aug 23, 2026Arrived | Seattle | Salt Lake City | -17 | |
| Aug 21, 2026Arrived | Seattle | Salt Lake City | -25 | |
| Aug 20, 2026Arrived | Seattle | Salt Lake City | -1 |