Southwest Airlines
Is SWA4436 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
17 min late
Official source · Updated
Departure
Ontario
ONT
Actual
Scheduled 21:33
Sep 8
Arrival
Dallas
DAL
Actual
Scheduled 00:14
Sep 9
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
ONTDAL
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 2 min late
ONT → DAL
- 12 min late
ONT → DAL
- 15 min late
ONT → DAL
- 17 min late
ONT → DAL
Flight history and details
Aug 21, 2026 — Sep 20, 2026
- Observed arrivals
- 4
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 0
- Observed occurrences
- 4
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 | Ontario | Dallas | 2 | |
| Sep 15, 2026Arrived | Ontario | Dallas | 12 | |
| Sep 9, 2026Arrived | Ontario | Dallas | 15 | |
| Sep 8, 2026Arrived | Ontario | Dallas | 17 |