Flight OddsWN4559 OMA → DEN
Southwest Airlines · Omaha, NE to Denver, CO · 16 flights observed, 2025-11-06 to 2026-01-05 · 472 mi
WN4559 covers more than one route in the data window — the stats below are for OMA → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
81%
Median delay
-19 min
90th percentile
+24 min
Cancellation rate
0%
How often is WN4559 on time?
Across 16 flights on OMA → DEN from 2025-11-06 to 2026-01-05, WN4559 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -19 min, and the worst 10% of flights arrived +24 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 | 13 | 81% |
| 16-30 min | 2 | 13% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 6% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 11 | 91% | -13 min |
| 2025-12 | 4 | 50% | +18 min |
| 2026-01 | 1 | 100% | -21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 3 | 100% |
| Fri | 5 | 60% |
| Sat | No data | — |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…