Flight OddsWN2437 DEN → BOS
Southwest Airlines · Denver, CO to Boston, MA · 55 flights observed, 2025-07-01 to 2025-10-30 · 1,754 mi
WN2437 covers more than one route in the data window — the stats below are for DEN → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
62%
Median delay
+10 min
90th percentile
+123 min
Cancellation rate
0%
How often is WN2437 on time?
Across 55 flights on DEN → BOS from 2025-07-01 to 2025-10-30, WN2437 arrived within 15 minutes of schedule 62% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +123 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 | 34 | 62% |
| 16-30 min | 6 | 11% |
| 31-60 min | 3 | 5% |
| 61-120 min | 6 | 11% |
| 2+ hrs | 6 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 63% | +36 min |
| 2025-08 | 4 | 50% | +11 min |
| 2025-10 | 21 | 62% | +42 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 67% |
| Tue | 9 | 56% |
| Wed | 9 | 67% |
| Thu | 10 | 80% |
| Fri | 8 | 38% |
| Sat | 5 | 80% |
| Sun | 5 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…