Flight OddsWN3815 MDW → DEN
Southwest Airlines · Chicago, IL to Denver, CO · 24 flights observed, 2025-10-02 to 2025-11-01 · 895 mi
WN3815 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
92%
Median delay
-8 min
90th percentile
+13 min
Cancellation rate
0%
How often is WN3815 on time?
Across 24 flights on MDW → DEN from 2025-10-02 to 2025-11-01, WN3815 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +13 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 | 22 | 92% |
| 16-30 min | 1 | 4% |
| 31-60 min | 1 | 4% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 23 | 91% | -4 min |
| 2025-11 | 1 | 100% | -33 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 1 | 100% |
| Tue | 4 | 100% |
| Wed | 4 | 100% |
| Thu | 2 | 100% |
| Fri | 4 | 75% |
| Sat | 5 | 100% |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…