Flight OddsWN409 AUS → STL
Southwest Airlines · Austin, TX to St. Louis, MO · 38 flights observed, 2026-01-11 to 2026-06-29 · 721 mi
WN409 covers more than one route in the data window — the stats below are for AUS → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
68%
Median delay
+4 min
90th percentile
+38 min
Cancellation rate
0%
How often is WN409 on time?
Across 38 flights on AUS → STL from 2026-01-11 to 2026-06-29, WN409 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +38 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 | 68% |
| 16-30 min | 6 | 16% |
| 31-60 min | 4 | 11% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 5 | 80% | +8 min |
| 2026-02 | 15 | 53% | +13 min |
| 2026-03 | 2 | 50% | +5 min |
| 2026-06 | 15 | 80% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 89% |
| Tue | 1 | 100% |
| Wed | No data | — |
| Thu | 8 | 63% |
| Fri | 9 | 56% |
| Sat | No data | — |
| Sun | 10 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…