Flight Reliability
WN 64 · Southwest Airlines
Houston → Dallas (HOU–DAL)83% of its flights flew this route. The rest (DCA–HOU) are included in these numbers.
56
A Little Dicey
WanderNerd Reliability Score
- 66%
- Arrive within 15 minutes
- 18 min
- Average arrival delay
- 3.4%
- Cancelled
- 6 min
- Median arrival delay
Based on 87 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
WN 64 departing between 9 PM–12 AM arrived on time 69% of the time, versus 50% between 6–9 PM.
Thursday is the weak spot.
WN 64 arrived on time 71% of the time on Mondays. On Thursdays: 63%.
Well behind the HOU–DAL route.
WN 64 arrived on time 66% of the time, versus 82% across the HOU–DAL route.
Lagging the Southwest Airlines network.
WN 64 arrived on time 66% of the time, versus 78% across the Southwest Airlines network.
The breakdown
- Mon71%(21 flights)
- Tue—(0 flights)
- Wed—(0 flights)
- Thu63%(24 flights)
- Fri64%(25 flights)
- Sat—(0 flights)
- Sun64%(14 flights)
- 6–9 PM50%(14 flights)
- 9 PM–12 AM69%(70 flights)
62%
May
Oct 41% → May 62% on time
| Month | On-time percentage | Flights |
|---|---|---|
| October 2025 | 41% | 17 |
| March 2026 | 57% | 23 |
| April 2026 | 88% | 16 |
| May 2026 | 62% | 13 |
- Departures on time
- 44%
- Diverted
- 0%
- Flights flown
- 84
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 87 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.