LGA → STL Southwest Airlines
Southwest Airlines · New York, NY to St. Louis, MO · 1,390 flights, 2025-07-01 to 2026-06-30 · aggregated across 57 flight numbers
On-time arrival
74%
Median delay
-5 min
90th percentile
+55 min
Cancellation rate
3%
How on-time is Southwest Airlines from LGA to STL?
Across every Southwest Airlines flight number on LGA → STL (1,390 flights, 2025-07-01 to 2026-06-30), 74% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +55 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,001 | 74% |
| 16-30 min | 114 | 8% |
| 31-60 min | 107 | 8% |
| 61-120 min | 71 | 5% |
| 2+ hrs | 51 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 112 | 61% | +33 min |
| 2025-08 | 113 | 83% | +7 min |
| 2025-09 | 111 | 84% | +4 min |
| 2025-10 | 113 | 67% | +13 min |
| 2025-11 | 114 | 67% | +21 min |
| 2025-12 | 118 | 66% | +23 min |
| 2026-01 | 113 | 87% | -10 min |
| 2026-02 | 97 | 86% | -5 min |
| 2026-03 | 110 | 72% | +5 min |
| 2026-04 | 114 | 81% | +0 min |
| 2026-05 | 116 | 72% | +13 min |
| 2026-06 | 113 | 71% | +20 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 197 | 74% |
| Tue | 207 | 77% |
| Wed | 204 | 76% |
| Thu | 198 | 73% |
| Fri | 202 | 79% |
| Sat | 133 | 76% |
| Sun | 203 | 67% |
WN flight numbers on LGA → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…