About 1 in 10 WN 1 flights from Dallas arrived 15+ minutes late, diverted or cancelled over the past year (10%); 0.0% were cancelled. The typical flight landed 8 minutes early.
WN 1: DAL → HOU
Scheduled to leave Dallas at 7:00 a.m. local time. Over the past year it arrived on time 90% of the time (195 flights), in line with other WN flights on the route at that hour (91%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 34 | 91% |
| Tuesday | 35 | 91% |
| Wednesday | 34 | 91% |
| Thursday | 34 | 85% |
| Friday | 36 | 89% |
| Saturday | 5 | — |
| Sunday | 17 | — |
Why it was late
Questions
How often is WN 1 from DAL to HOU late?
Southwest Airlines 1 from Dallas, TX to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 10% of 195 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Southwest Airlines for today's flight. Method.