Flight OddsWN1859 ORD → DEN
Southwest Airlines · Chicago, IL to Denver, CO · 35 flights observed, 2025-07-01 to 2025-08-04 · 888 mi
WN1859 covers more than one route in the data window — the stats below are for ORD → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
73%
Median delay
+2 min
90th percentile
+37 min
Cancellation rate
3%
How often is WN1859 on time?
Across 35 flights on ORD → DEN from 2025-07-01 to 2025-08-04, WN1859 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +37 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 | 24 | 73% |
| 16-30 min | 4 | 12% |
| 31-60 min | 3 | 9% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 73% | +11 min |
| 2025-08 | 3 | 67% | +20 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 5 | 100% |
| Wed | 5 | 80% |
| Thu | 5 | 80% |
| Fri | 5 | 40% |
| Sat | 3 | 67% |
| Sun | 5 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…