Flight OddsWN1441 BOS → STL
Southwest Airlines · Boston, MA to St. Louis, MO · 113 flights observed, 2025-07-01 to 2026-01-05 · 1,047 mi
WN1441 covers more than one route in the data window — the stats below are for BOS → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-1 min
90th percentile
+34 min
Cancellation rate
0%
How often is WN1441 on time?
Across 113 flights on BOS → STL from 2025-07-01 to 2026-01-05, WN1441 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -1 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 | 89 | 79% |
| 16-30 min | 11 | 10% |
| 31-60 min | 10 | 9% |
| 61-120 min | 2 | 2% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 68% | +10 min |
| 2025-08 | 23 | 91% | -3 min |
| 2025-09 | 22 | 95% | -6 min |
| 2025-10 | 1 | 100% | -6 min |
| 2025-11 | 17 | 88% | +4 min |
| 2025-12 | 15 | 40% | +28 min |
| 2026-01 | 4 | 100% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 19 | 79% |
| Tue | 17 | 88% |
| Wed | 15 | 93% |
| Thu | 16 | 63% |
| Fri | 21 | 86% |
| Sat | 10 | 90% |
| Sun | 15 | 53% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…