Southwest Airlines
Is WN3428 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
1 min late
Official source · Updated
Departure
Boise
BOI
Actual
Scheduled 14:17
Sep 20
Arrival
Denver
DEN
Actual
Scheduled 09:47
Sep 20
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
BOIDEN
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 1 min late
BOI → DEN
- 5 min early
DCA → MCO
- 7 min late
RDU → STL
- 6 min late
RDU → STL
- 9 min early
DCA → MCO
Flight history and details
Aug 23, 2026 — Sep 22, 2026
- Observed arrivals
- 8
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 9
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 20, 2026Arrived | Boise | Denver | 1 | |
| Sep 19, 2026Arrived | Washington | Orlando | -5 | |
| Sep 16, 2026Arrived | Raleigh/Durham | St Louis | 7 | |
| Sep 15, 2026Arrived | Raleigh/Durham | St Louis | 6 | |
| Sep 12, 2026Arrived | Washington | Orlando | -9 | |
| Sep 9, 2026Arrived | Raleigh/Durham | St Louis | 6 | |
| Sep 8, 2026Arrived | Raleigh/Durham | St Louis | 18 | |
| Sep 5, 2026Arrived | Washington | Orlando | 125 |