Flight OddsWN2431 IAD → DEN
Southwest Airlines · Washington, DC to Denver, CO · 60 flights observed, 2025-11-02 to 2026-01-05 · 1,452 mi
WN2431 covers more than one route in the data window — the stats below are for IAD → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
+5 min
90th percentile
+26 min
Cancellation rate
3%
How often is WN2431 on time?
Across 60 flights on IAD → DEN from 2025-11-02 to 2026-01-05, WN2431 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +26 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 44 | 76% |
| 16-30 min | 10 | 17% |
| 31-60 min | 3 | 5% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 25 | 80% | +4 min |
| 2025-12 | 28 | 68% | +10 min |
| 2026-01 | 5 | 100% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 80% |
| Tue | 9 | 89% |
| Wed | 9 | 78% |
| Thu | 8 | 88% |
| Fri | 7 | 86% |
| Sat | 5 | 40% |
| Sun | 10 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…