Flight OddsWN1839 BOS → BWI
Southwest Airlines · Boston, MA to Baltimore, MD · 33 flights observed, 2025-08-05 to 2025-10-01 · 369 mi
WN1839 covers more than one route in the data window — the stats below are for BOS → BWI, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-5 min
90th percentile
+40 min
Cancellation rate
0%
How often is WN1839 on time?
Across 33 flights on BOS → BWI from 2025-08-05 to 2025-10-01, WN1839 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +40 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 | 26 | 79% |
| 16-30 min | 1 | 3% |
| 31-60 min | 3 | 9% |
| 61-120 min | 3 | 9% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 15 | 93% | +0 min |
| 2025-09 | 17 | 65% | +12 min |
| 2025-10 | 1 | 100% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 9 | 100% |
| Wed | 9 | 100% |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 8 | 75% |
| Sun | 7 | 29% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…