Delta Air Lines
Is DL4320 delayed?
No — DL4320 landed in West Yellowstone on schedule (1 min behind), at 10:30 on Sep 29 (as of Sep 29, 16:34 UTC).
Usually on time: arrived within 15 min of schedule on 37 of the last 39 flights.
Each route and date is shown separately. Confirm that both airports match your booking.
On schedule (1 min behind)
Official source · Updated
Departure
Salt Lake City
SLC
Actual
Sep 29
Arrival
West Yellowstone
WYS
Actual
Scheduled 10:28
Sep 29
Times shown in airport local time
Service date: · Scheduled departure date (America/Denver)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
12 min early
Official source · Updated
Departure
West Yellowstone
WYS
Actual
Scheduled 11:35
Sep 29
Arrival
Salt Lake City
SLC
Actual
Scheduled 12:18
Sep 29
Times shown in airport local time
Service date: · Scheduled departure date (America/Denver)
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.
- 12 min early
West Yellowstone → Salt Lake City
- On schedule (1 min behind)
Salt Lake City → West Yellowstone
- 8 min early
West Yellowstone → Salt Lake City
- 27 min late
Salt Lake City → West Yellowstone
- 1 min early
West Yellowstone → Salt Lake City
Is DL4320 usually late?
Observation window: Sep 2, 2026 – Oct 2, 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
Salt Lake City (SLC) departures
- Left more than 15 min late
- 0 of 1
- Cancelled today
- 2
Related flights
Other flights KWYS → SLC
Return flights SLC → KWYS
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 29, 2026Arrived | West Yellowstone | Salt Lake City | -12 | |
| Sep 29, 2026Arrived | Salt Lake City | West Yellowstone | 1 | |
| Sep 28, 2026Arrived | West Yellowstone | Salt Lake City | -8 | |
| Sep 28, 2026Arrived | Salt Lake City | West Yellowstone | 27 | |
| Sep 27, 2026Arrived | West Yellowstone | Salt Lake City | -1 | |
| Sep 27, 2026Arrived | Salt Lake City | West Yellowstone | -29 | |
| Sep 26, 2026Arrived | West Yellowstone | Salt Lake City | -9 | |
| Sep 25, 2026Arrived | West Yellowstone | Salt Lake City | -12 | |
| Sep 25, 2026Arrived | Salt Lake City | West Yellowstone | 4 | |
| Sep 24, 2026Arrived | West Yellowstone | Salt Lake City | -3 | |
| Sep 24, 2026Arrived | Salt Lake City | West Yellowstone | 47 | |
| Sep 23, 2026Arrived | West Yellowstone | Salt Lake City | -13 | |
| Sep 23, 2026Arrived | Salt Lake City | West Yellowstone | 0 | |
| Sep 22, 2026Arrived | West Yellowstone | Salt Lake City | -11 | |
| Sep 22, 2026Arrived | Salt Lake City | West Yellowstone | -10 | |
| Sep 21, 2026Arrived | West Yellowstone | Salt Lake City | 0 | |
| Sep 21, 2026Arrived | Salt Lake City | West Yellowstone | -1 | |
| Sep 20, 2026Arrived | West Yellowstone | Salt Lake City | -18 | |
| Sep 20, 2026Arrived | Salt Lake City | West Yellowstone | 5 | |
| Sep 19, 2026Arrived | West Yellowstone | Salt Lake City | 12 | |
| Sep 19, 2026Arrived | Salt Lake City | West Yellowstone | -5 | |
| Sep 18, 2026Arrived | West Yellowstone | Salt Lake City | -6 | |
| Sep 18, 2026Arrived | Salt Lake City | West Yellowstone | -2 | |
| Sep 17, 2026Arrived | West Yellowstone | Salt Lake City | 7 | |
| Sep 17, 2026Arrived | Salt Lake City | West Yellowstone | -7 | |
| Sep 16, 2026Arrived | West Yellowstone | Salt Lake City | -23 | |
| Sep 16, 2026Arrived | Salt Lake City | West Yellowstone | -4 | |
| Sep 12, 2026Arrived | West Yellowstone | Salt Lake City | 0 | |
| Sep 11, 2026Arrived | West Yellowstone | Salt Lake City | -18 | |
| Sep 10, 2026Arrived | West Yellowstone | Salt Lake City | -7 | |
| Sep 9, 2026Arrived | West Yellowstone | Salt Lake City | -13 | |
| Sep 9, 2026Arrived | Salt Lake City | West Yellowstone | -7 | |
| Sep 7, 2026Arrived | West Yellowstone | Salt Lake City | -15 | |
| Sep 7, 2026Arrived | Salt Lake City | West Yellowstone | -23 | |
| Sep 6, 2026Arrived | West Yellowstone | Salt Lake City | 10 | |
| Sep 5, 2026Arrived | West Yellowstone | Salt Lake City | 8 | |
| Sep 5, 2026Arrived | Salt Lake City | West Yellowstone | -15 | |
| Sep 4, 2026Arrived | West Yellowstone | Salt Lake City | -7 | |
| Sep 4, 2026Arrived | Salt Lake City | West Yellowstone | 5 |
Email me if DL4320 runs late
We email you if your next DL4320 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.