Flight OddsWN677 BWI → PWM
Southwest Airlines · Baltimore, MD to Portland, ME · 14 flights observed, 2026-01-11 to 2026-03-02 · 452 mi
WN677 covers more than one route in the data window — the stats below are for BWI → PWM, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
92%
Median delay
-12 min
90th percentile
+11 min
Cancellation rate
14%
How often is WN677 on time?
Across 14 flights on BWI → PWM from 2026-01-11 to 2026-03-02, WN677 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +11 min or later. 14% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 11 | 92% |
| 16-30 min | 1 | 8% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 4 | 100% | -20 min |
| 2026-02 | 7 | 86% | -4 min |
| 2026-03 | 1 | 100% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | 1 | 0% |
| Wed | No data | — |
| Thu | 3 | 100% |
| Fri | 2 | 100% |
| Sat | No data | — |
| Sun | 3 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…