Flight OddsSEA → BWI Southwest Airlines
Southwest Airlines · Seattle, WA to Baltimore, MD · 120 flights, 2025-07-01 to 2026-06-30 · aggregated across 5 flight numbers
On-time arrival
71%
Median delay
+3 min
90th percentile
+49 min
Cancellation rate
0%
How on-time is Southwest Airlines from SEA to BWI?
Across every Southwest Airlines flight number on SEA → BWI (120 flights, 2025-07-01 to 2026-06-30), 71% arrived within 15 minutes of schedule. Median arrival delay +3 min; the worst 10% ran +49 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 85 | 71% |
| 16-30 min | 14 | 12% |
| 31-60 min | 13 | 11% |
| 61-120 min | 8 | 7% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 71% | +10 min |
| 2025-08 | 31 | 65% | +8 min |
| 2025-09 | 30 | 87% | +2 min |
| 2025-10 | 1 | 100% | -17 min |
| 2026-06 | 27 | 59% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 17 | 71% |
| Tue | 18 | 78% |
| Wed | 17 | 71% |
| Thu | 17 | 76% |
| Fri | 17 | 88% |
| Sat | 17 | 76% |
| Sun | 17 | 35% |
WN flight numbers on SEA → BWI
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…