Flight OddsWN4457 BWI → BOS
Southwest Airlines · Baltimore, MD to Boston, MA · 25 flights observed, 2026-01-11 to 2026-03-02 · 369 mi
WN4457 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
82%
Median delay
+1 min
90th percentile
+28 min
Cancellation rate
12%
How often is WN4457 on time?
Across 25 flights on BWI → BOS from 2026-01-11 to 2026-03-02, WN4457 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +28 min or later. 12% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 18 | 82% |
| 16-30 min | 2 | 9% |
| 31-60 min | 1 | 5% |
| 61-120 min | 1 | 5% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 4 | 100% | +3 min |
| 2026-02 | 16 | 81% | +4 min |
| 2026-03 | 2 | 50% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 1 | 100% |
| Wed | No data | — |
| Thu | 5 | 100% |
| Fri | 5 | 60% |
| Sat | 3 | 100% |
| Sun | 4 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…