Flight Reliability
WN 201 · Southwest Airlines
Dallas → Houston (DAL–HOU)97% of its flights flew this route. The rest (HOU–DCA, SLC–BNA) are included in these numbers.
98
Nerd Approved
WanderNerd Reliability Score
- 96%
- Arrive within 15 minutes
- 6 min early
- Average arrival delay
- 1.5%
- Cancelled
- 17 min early
- Median arrival delay
Based on 67 historical flights. Data through May 2026.
What the data says
Skip Saturday if you can.
WN 201 arrived on time 100% of the time on Tuesdays. On Saturdays: 92%.
Well ahead of the DAL–HOU route.
WN 201 arrived on time 96% of the time, versus 75% across the DAL–HOU route.
Well ahead of the Southwest Airlines network.
WN 201 arrived on time 96% of the time, versus 78% across the Southwest Airlines network.
The breakdown
- Mon—(6 flights)
- Tue100%(14 flights)
- Wed100%(15 flights)
- Thu—(6 flights)
- Fri—(5 flights)
- Sat92%(12 flights)
- Sun—(8 flights)
- 6–9 AM97%(64 flights)
- 9 AM–12 PM—(1 flights)
- 12–3 PM—(1 flights)
100%
Feb
Nov 100% → Feb 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 100% | 11 |
| December 2025 | 100% | 13 |
| January 2026 | 95% | 20 |
| February 2026 | 100% | 13 |
- Departures on time
- 96%
- Diverted
- 0%
- Flights flown
- 66
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 67 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.