Is DL1239 delayed?
No — DL1239 landed in Salt Lake City 16 min early, at 22:52 on Sep 28 (as of Sep 29, 04:52 UTC).
Usually on time: arrived within 15 min of schedule on 12 of the last 14 flights.
16 min early
Official source · Updated
Departure
Seattle
SEA
Actual
Scheduled 20:22
Sep 28
Arrival
Salt Lake City
SLC
Actual
Scheduled 23:09
Sep 28
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
Market settled: On time.
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 16 min early
Seattle → Salt Lake City
- 6 min early
Seattle → Salt Lake City
- On schedule (<1 min behind)
Seattle → Salt Lake City
- On schedule (4 min behind)
Seattle → Salt Lake City
- 17 min early
Seattle → Salt Lake City
Is DL1239 usually late?
Observation window: Aug 30, 2026 – Sep 29, 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. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Seattle (SEA) departures
- Left more than 15 min late
- 145 of 254
- Cancelled today
- 2
Salt Lake City (SLC) departures
- Left more than 15 min late
- 19 of 146
- Cancelled today
- 0
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 28, 2026Arrived | Seattle | Salt Lake City | -16 | |
| Sep 27, 2026Arrived | Seattle | Salt Lake City | -6 | |
| Sep 25, 2026Arrived | Seattle | Salt Lake City | 0 | |
| Sep 24, 2026Arrived | Seattle | Salt Lake City | 4 | |
| Sep 21, 2026Arrived | Seattle | Salt Lake City | -17 | |
| Sep 20, 2026Arrived | Seattle | Salt Lake City | 12 | |
| Sep 18, 2026Arrived | Seattle | Salt Lake City | 5 | |
| Sep 17, 2026Arrived | Seattle | Salt Lake City | -14 | |
| 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 |
Email me if DL1239 runs late
We email you if your next DL1239 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.