Flight OddsSouthwest Airlines · Washington, DC to Oklahoma City, OK · 23 flights observed, 2026-03-05 to 2026-04-06 · 1,158 mi
WN3645 covers more than one route in the data window — the stats below are for DCA → OKC, the one it has flown most recently. The others are linked under “Other routes”.
How often is WN3645 on time?
Across 23 flights on DCA → OKC from 2026-03-05 to 2026-04-06, WN3645 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +45 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 | 14 | 64% |
| 16-30 min | 3 | 14% |
| 31-60 min | 3 | 14% |
| 61-120 min | 1 | 5% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 18 | 61% | +20 min |
| 2026-04 | 4 | 75% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 3 | 100% |
| Wed | 4 | 50% |
| Thu | 5 | 60% |
| Fri | 5 | 40% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…