Flight OddsPWM → BWI Southwest Airlines
Southwest Airlines · Portland, ME to Baltimore, MD · 1,341 flights, 2025-07-01 to 2026-06-30 · aggregated across 67 flight numbers
On-time arrival
83%
Median delay
-2 min
90th percentile
+26 min
Cancellation rate
1%
How on-time is Southwest Airlines from PWM to BWI?
Across every Southwest Airlines flight number on PWM → BWI (1,341 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +26 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,097 | 83% |
| 16-30 min | 120 | 9% |
| 31-60 min | 55 | 4% |
| 61-120 min | 26 | 2% |
| 2+ hrs | 27 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 119 | 67% | +32 min |
| 2025-08 | 134 | 85% | +5 min |
| 2025-09 | 121 | 91% | +4 min |
| 2025-10 | 123 | 89% | +0 min |
| 2025-11 | 108 | 88% | +4 min |
| 2025-12 | 107 | 77% | +8 min |
| 2026-01 | 93 | 78% | +12 min |
| 2026-02 | 89 | 88% | -4 min |
| 2026-03 | 105 | 78% | +8 min |
| 2026-04 | 103 | 82% | +1 min |
| 2026-05 | 106 | 83% | +5 min |
| 2026-06 | 117 | 86% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 194 | 80% |
| Tue | 184 | 81% |
| Wed | 180 | 89% |
| Thu | 193 | 83% |
| Fri | 201 | 81% |
| Sat | 186 | 84% |
| Sun | 187 | 81% |
WN flight numbers on PWM → BWI
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…