Flight OddsWN2440 IAD → DEN
Southwest Airlines · Washington, DC to Denver, CO · 58 flights observed, 2026-04-07 to 2026-06-03 · 1,452 mi
WN2440 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
60%
Median delay
+10 min
90th percentile
+48 min
Cancellation rate
0%
How often is WN2440 on time?
Across 58 flights on IAD → DEN from 2026-04-07 to 2026-06-03, WN2440 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +48 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 | 60% |
| 16-30 min | 11 | 19% |
| 31-60 min | 7 | 12% |
| 61-120 min | 5 | 9% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 24 | 54% | +19 min |
| 2026-05 | 30 | 63% | +12 min |
| 2026-06 | 3 | 67% | +23 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 38% |
| Tue | 9 | 44% |
| Wed | 8 | 75% |
| Thu | 8 | 63% |
| Fri | 8 | 63% |
| Sat | 8 | 88% |
| 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…