Flight OddsCMH → DCA Southwest Airlines
Southwest Airlines · Columbus, OH to Washington, DC · 351 flights, 2025-07-01 to 2026-06-30 · aggregated across 17 flight numbers
On-time arrival
61%
Median delay
+7 min
90th percentile
+79 min
Cancellation rate
1%
How on-time is Southwest Airlines from CMH to DCA?
Across every Southwest Airlines flight number on CMH → DCA (351 flights, 2025-07-01 to 2026-06-30), 61% arrived within 15 minutes of schedule. Median arrival delay +7 min; the worst 10% ran +79 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 211 | 61% |
| 16-30 min | 38 | 11% |
| 31-60 min | 47 | 14% |
| 61-120 min | 28 | 8% |
| 2+ hrs | 20 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 61% | +45 min |
| 2025-08 | 31 | 84% | +1 min |
| 2025-09 | 30 | 87% | +6 min |
| 2025-10 | 27 | 78% | +3 min |
| 2025-11 | 27 | 48% | +42 min |
| 2025-12 | 29 | 59% | +29 min |
| 2026-01 | 25 | 48% | +40 min |
| 2026-02 | 27 | 52% | +20 min |
| 2026-03 | 31 | 52% | +34 min |
| 2026-04 | 30 | 50% | +16 min |
| 2026-05 | 31 | 52% | +26 min |
| 2026-06 | 28 | 64% | +22 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 61% |
| Tue | 53 | 64% |
| Wed | 51 | 63% |
| Thu | 50 | 52% |
| Fri | 50 | 64% |
| Sat | 38 | 66% |
| Sun | 51 | 61% |
WN flight numbers on CMH → DCA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…