Flight OddsWN727 BWI → BOS
Southwest Airlines · Baltimore, MD to Boston, MA · 44 flights observed, 2025-11-02 to 2026-01-05 · 369 mi
WN727 covers more than one route in the data window — the stats below are for BWI → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
75%
Median delay
-4 min
90th percentile
+52 min
Cancellation rate
9%
How often is WN727 on time?
Across 44 flights on BWI → BOS from 2025-11-02 to 2026-01-05, WN727 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +52 min or later. 9% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 30 | 75% |
| 16-30 min | 4 | 10% |
| 31-60 min | 3 | 8% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 2 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 20 | 80% | +8 min |
| 2025-12 | 18 | 67% | +11 min |
| 2026-01 | 2 | 100% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 71% |
| Tue | 4 | 50% |
| Wed | 6 | 67% |
| Thu | 7 | 100% |
| Fri | 5 | 80% |
| Sat | 4 | 50% |
| Sun | 7 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…