Flight OddsWN2421 DEN → BHM
Southwest Airlines · Denver, CO to Birmingham, AL · 64 flights observed, 2025-11-02 to 2026-01-05 · 1,083 mi
WN2421 covers more than one route in the data window — the stats below are for DEN → BHM, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
80%
Median delay
-4 min
90th percentile
+46 min
Cancellation rate
0%
How often is WN2421 on time?
Across 64 flights on DEN → BHM from 2025-11-02 to 2026-01-05, WN2421 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +46 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 | 51 | 80% |
| 16-30 min | 2 | 3% |
| 31-60 min | 7 | 11% |
| 61-120 min | 4 | 6% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 28 | 86% | +1 min |
| 2025-12 | 31 | 74% | +12 min |
| 2026-01 | 5 | 80% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 80% |
| Tue | 9 | 100% |
| Wed | 9 | 78% |
| Thu | 8 | 75% |
| Fri | 9 | 89% |
| Sat | 9 | 67% |
| Sun | 10 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…