Is DL4321 delayed?
Service date: · Scheduled departure date (America/Denver)
Arrived
13 min late
Updated
Departure
Salt Lake City
SLC
Actual
Scheduled 13:30
Aug 31
Arrival
St George
SGU
Actual
Scheduled 20:43
Aug 31
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
SLCSGU
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 12 min late
SGU → SLC
- 2 min late
SGU → SLC
- 23 min early
SGU → SLC
- 14 min early
SLC → SGU
- 1 min late
SGU → SLC
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 20
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 0
- Observed occurrences
- 32
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 | St George | Salt Lake City | 12 | |
| Sep 15, 2026Arrived | St George | Salt Lake City | 2 | |
| Sep 14, 2026Arrived | St George | Salt Lake City | -23 | |
| Sep 14, 2026Arrived | Salt Lake City | St George | -14 | |
| Sep 10, 2026Arrived | St George | Salt Lake City | 1 | |
| Sep 9, 2026Arrived | St George | Salt Lake City | -16 | |
| Sep 9, 2026Arrived | Salt Lake City | St George | -24 | |
| Sep 8, 2026Arrived | St George | Salt Lake City | -33 | |
| Sep 8, 2026Arrived | Salt Lake City | St George | -19 | |
| Sep 7, 2026Arrived | St George | Salt Lake City | 2 | |
| Sep 7, 2026Arrived | Salt Lake City | St George | -29 | |
| Sep 6, 2026Arrived | St George | Salt Lake City | -24 | |
| Sep 6, 2026Arrived | Salt Lake City | St George | 2 | |
| Sep 5, 2026Arrived | St George | Salt Lake City | -2 | |
| Sep 5, 2026Arrived | Salt Lake City | St George | 16 | |
| Sep 4, 2026Arrived | St George | Salt Lake City | 20 | |
| Sep 4, 2026Arrived | Salt Lake City | St George | 44 | |
| Sep 1, 2026Arrived | Salt Lake City | St George | -10 | |
| Aug 31, 2026Arrived | Salt Lake City | St George | 13 | |
| Aug 26, 2026Arrived | Salt Lake City | St George | -13 |