Flight OddsWN3775 BOS → STL
Southwest Airlines · Boston, MA to St. Louis, MO · 31 flights observed, 2025-10-02 to 2025-11-01 · 1,047 mi
WN3775 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
63%
Median delay
+8 min
90th percentile
+61 min
Cancellation rate
3%
How often is WN3775 on time?
Across 31 flights on BOS → STL from 2025-10-02 to 2025-11-01, WN3775 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +61 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 19 | 63% |
| 16-30 min | 3 | 10% |
| 31-60 min | 5 | 17% |
| 61-120 min | 2 | 7% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 29 | 62% | +28 min |
| 2025-11 | 1 | 100% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | 4 | 75% |
| Wed | 4 | 100% |
| Thu | 5 | 20% |
| Fri | 5 | 80% |
| Sat | 5 | 80% |
| Sun | 4 | 25% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…