WN1551 DAL → SAT
Southwest Airlines · Dallas, TX to San Antonio, TX · 33 flights observed, 2025-08-05 to 2025-09-30 · 247 mi
WN1551 covers more than one route in the data window — the stats below are for DAL → SAT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-3 min
90th percentile
+34 min
Cancellation rate
0%
How often is WN1551 on time?
Across 33 flights on DAL → SAT from 2025-08-05 to 2025-09-30, WN1551 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +34 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 25 | 76% |
| 16-30 min | 4 | 12% |
| 31-60 min | 1 | 3% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 2 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 16 | 75% | +17 min |
| 2025-09 | 17 | 76% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 9 | 100% |
| Wed | 8 | 75% |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 8 | 88% |
| Sun | 8 | 38% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…