Flight OddsWN4789 DTW → MDW
Southwest Airlines · Detroit, MI to Chicago, IL · 57 flights observed, 2026-01-06 to 2026-03-04 · 228 mi
WN4789 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
84%
Median delay
-5 min
90th percentile
+29 min
Cancellation rate
0%
How often is WN4789 on time?
Across 57 flights on DTW → MDW from 2026-01-06 to 2026-03-04, WN4789 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +29 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 | 46 | 84% |
| 16-30 min | 3 | 5% |
| 31-60 min | 3 | 5% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 3 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 25 | 76% | +22 min |
| 2026-02 | 26 | 92% | -5 min |
| 2026-03 | 4 | 75% | +38 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 71% |
| Tue | 8 | 100% |
| Wed | 9 | 56% |
| Thu | 8 | 88% |
| Fri | 7 | 100% |
| Sat | 8 | 88% |
| Sun | 8 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…