Flight OddsBWI → PWM Southwest Airlines
Southwest Airlines · Baltimore, MD to Portland, ME · 1,341 flights, 2025-07-01 to 2026-06-30 · aggregated across 74 flight numbers
On-time arrival
80%
Median delay
-4 min
90th percentile
+33 min
Cancellation rate
1%
How on-time is Southwest Airlines from BWI to PWM?
Across every Southwest Airlines flight number on BWI → PWM (1,341 flights, 2025-07-01 to 2026-06-30), 80% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +33 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,065 | 80% |
| 16-30 min | 113 | 9% |
| 31-60 min | 90 | 7% |
| 61-120 min | 37 | 3% |
| 2+ hrs | 18 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 118 | 56% | +33 min |
| 2025-08 | 135 | 82% | +5 min |
| 2025-09 | 121 | 88% | -4 min |
| 2025-10 | 123 | 85% | 0 min |
| 2025-11 | 107 | 86% | -2 min |
| 2025-12 | 108 | 79% | +3 min |
| 2026-01 | 93 | 89% | -4 min |
| 2026-02 | 90 | 84% | +2 min |
| 2026-03 | 102 | 80% | +4 min |
| 2026-04 | 103 | 81% | +2 min |
| 2026-05 | 106 | 78% | +5 min |
| 2026-06 | 117 | 79% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 194 | 81% |
| Tue | 186 | 82% |
| Wed | 180 | 84% |
| Thu | 194 | 75% |
| Fri | 201 | 83% |
| Sat | 184 | 84% |
| Sun | 184 | 74% |
WN flight numbers on BWI → PWM
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…