Flight OddsWN3729 BWI → BOS
Southwest Airlines · Baltimore, MD to Boston, MA · 32 flights observed, 2025-08-07 to 2025-09-29 · 369 mi
WN3729 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
44%
Median delay
+36 min
90th percentile
+122 min
Cancellation rate
0%
How often is WN3729 on time?
Across 32 flights on BWI → BOS from 2025-08-07 to 2025-09-29, WN3729 arrived within 15 minutes of schedule 44% of the time. The median arrival delay was +36 min, and the worst 10% of flights arrived +122 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 14 | 44% |
| 16-30 min | 2 | 6% |
| 31-60 min | 5 | 16% |
| 61-120 min | 7 | 22% |
| 2+ hrs | 4 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 15 | 67% | +24 min |
| 2025-09 | 17 | 24% | +86 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 8 | 25% |
| Fri | 8 | 38% |
| Sat | No data | — |
| Sun | 8 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…