WN37 DAL → HOU
Southwest Airlines · Dallas, TX to Houston, TX · 168 flights observed, 2025-10-04 to 2026-06-30 · 239 mi
WN37 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
66%
Median delay
-1 min
90th percentile
+60 min
Cancellation rate
4%
How often is WN37 on time?
Across 168 flights on DAL → HOU from 2025-10-04 to 2026-06-30, WN37 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +60 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 107 | 66% |
| 16-30 min | 20 | 12% |
| 31-60 min | 18 | 11% |
| 61-120 min | 10 | 6% |
| 2+ hrs | 6 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 12 | 67% | +13 min |
| 2025-11 | 11 | 73% | +15 min |
| 2025-12 | 16 | 81% | -2 min |
| 2026-01 | 21 | 76% | +2 min |
| 2026-02 | 10 | 70% | +10 min |
| 2026-03 | 18 | 50% | +21 min |
| 2026-04 | 25 | 64% | +8 min |
| 2026-05 | 26 | 62% | +29 min |
| 2026-06 | 22 | 64% | +29 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 71% |
| Tue | 28 | 64% |
| Wed | 32 | 66% |
| Thu | 25 | 68% |
| Fri | 19 | 58% |
| Sat | 30 | 67% |
| Sun | 3 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…