Flight OddsWN4397 STL → LGA
Southwest Airlines · St. Louis, MO to New York, NY · 58 flights observed, 2025-08-05 to 2025-10-01 · 888 mi
WN4397 covers more than one route in the data window — the stats below are for STL → LGA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
71%
Median delay
-1 min
90th percentile
+37 min
Cancellation rate
3%
How often is WN4397 on time?
Across 58 flights on STL → LGA from 2025-08-05 to 2025-10-01, WN4397 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +37 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 | 40 | 71% |
| 16-30 min | 8 | 14% |
| 31-60 min | 4 | 7% |
| 61-120 min | 3 | 5% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 26 | 62% | +16 min |
| 2025-09 | 29 | 79% | +5 min |
| 2025-10 | 1 | 100% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 88% |
| Tue | 9 | 100% |
| Wed | 9 | 100% |
| Thu | 7 | 43% |
| Fri | 8 | 88% |
| Sat | 8 | 25% |
| Sun | 7 | 43% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…