Flight OddsWN4535 MDW → DEN
Southwest Airlines · Chicago, IL to Denver, CO · 36 flights observed, 2025-11-02 to 2026-01-05 · 895 mi
WN4535 covers more than one route in the data window — the stats below are for MDW → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
+1 min
90th percentile
+53 min
Cancellation rate
6%
How often is WN4535 on time?
Across 36 flights on MDW → DEN from 2025-11-02 to 2026-01-05, WN4535 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +53 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 27 | 79% |
| 16-30 min | 3 | 9% |
| 31-60 min | 0 | 0% |
| 61-120 min | 3 | 9% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 15 | 87% | +5 min |
| 2025-12 | 15 | 73% | +19 min |
| 2026-01 | 4 | 75% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 3 | 100% |
| Wed | 1 | 100% |
| Thu | 3 | 67% |
| Fri | 8 | 75% |
| Sat | 4 | 100% |
| 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…