WN4 HOU → DAL
Southwest Airlines · Houston, TX to Dallas, TX · 212 flights observed, 2025-07-03 to 2026-06-30 · 239 mi
WN4 covers more than one route in the data window — the stats below are for HOU → DAL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
94%
Median delay
-12 min
90th percentile
+2 min
Cancellation rate
1%
How often is WN4 on time?
Across 212 flights on HOU → DAL from 2025-07-03 to 2026-06-30, WN4 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +2 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 197 | 94% |
| 16-30 min | 4 | 2% |
| 31-60 min | 5 | 2% |
| 61-120 min | 3 | 1% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 16 | 100% | -11 min |
| 2025-08 | 26 | 85% | -4 min |
| 2025-09 | 26 | 92% | -5 min |
| 2025-10 | 23 | 100% | -6 min |
| 2025-11 | 11 | 91% | -11 min |
| 2025-12 | 4 | 100% | -14 min |
| 2026-01 | 5 | 100% | -10 min |
| 2026-02 | 8 | 100% | -10 min |
| 2026-03 | 17 | 100% | -14 min |
| 2026-04 | 25 | 92% | -9 min |
| 2026-05 | 27 | 93% | -8 min |
| 2026-06 | 21 | 95% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 40 | 95% |
| Tue | 27 | 96% |
| Wed | 25 | 92% |
| Thu | 41 | 95% |
| Fri | 40 | 98% |
| Sat | 8 | 63% |
| Sun | 28 | 96% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…