Flight OddsWN857 DTW → MDW
Southwest Airlines · Detroit, MI to Chicago, IL · 24 flights observed, 2025-07-03 to 2025-08-04 · 228 mi
WN857 covers more than one route in the data window — the stats below are for DTW → MDW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
70%
Median delay
+5 min
90th percentile
+65 min
Cancellation rate
0%
How often is WN857 on time?
Across 24 flights on DTW → MDW from 2025-07-03 to 2025-08-04, WN857 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +65 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 | 16 | 70% |
| 16-30 min | 1 | 4% |
| 31-60 min | 3 | 13% |
| 61-120 min | 2 | 9% |
| 2+ hrs | 1 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 19 | 74% | +24 min |
| 2025-08 | 4 | 50% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 5 | 60% |
| Fri | 4 | 25% |
| Sat | 5 | 80% |
| 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…