Flight OddsWN31 DAL → HOU
Southwest Airlines · Dallas, TX to Houston, TX · 128 flights observed, 2025-07-05 to 2026-06-30 · 239 mi
WN31 covers more than one route in the data window — the stats below are for DAL → HOU, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-9 min
90th percentile
+46 min
Cancellation rate
1%
How often is WN31 on time?
Across 128 flights on DAL → HOU from 2025-07-05 to 2026-06-30, WN31 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +46 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 | 98 | 77% |
| 16-30 min | 7 | 6% |
| 31-60 min | 12 | 9% |
| 61-120 min | 8 | 6% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 8 | 50% | +24 min |
| 2025-08 | 6 | 50% | +29 min |
| 2025-09 | 4 | 100% | -19 min |
| 2025-10 | 8 | 88% | -3 min |
| 2025-11 | 11 | 91% | +0 min |
| 2025-12 | 23 | 91% | -8 min |
| 2026-01 | 20 | 95% | -11 min |
| 2026-02 | 9 | 89% | -3 min |
| 2026-03 | 5 | 80% | -2 min |
| 2026-04 | 12 | 42% | +39 min |
| 2026-05 | 12 | 58% | +15 min |
| 2026-06 | 9 | 67% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 100% |
| Tue | 33 | 76% |
| Wed | 33 | 79% |
| Thu | 8 | 88% |
| Fri | 7 | 71% |
| Sat | 26 | 65% |
| Sun | 10 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…