Flight OddsWN3643 STL → DCA
Southwest Airlines · St. Louis, MO to Washington, DC · 7 flights observed, 2026-04-12 to 2026-05-31 · 719 mi
WN3643 covers more than one route in the data window — the stats below are for STL → DCA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
43%
Median delay
+17 min
90th percentile
+29 min
Cancellation rate
0%
How often is WN3643 on time?
Across 7 flights on STL → DCA from 2026-04-12 to 2026-05-31, WN3643 arrived within 15 minutes of schedule 43% of the time. The median arrival delay was +17 min, and the worst 10% of flights arrived +29 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 | 3 | 43% |
| 16-30 min | 4 | 57% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 3 | 33% | +7 min |
| 2026-05 | 4 | 50% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | No data | — |
| Sat | No data | — |
| 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…