WN1491 MDW → DTW

Southwest Airlines · Chicago, IL to Detroit, MI · 60 flights observed, 2025-11-02 to 2026-01-05 · 228 mi

This flight runs much more reliably at some times of day than others — 83% on-time departing 3–6pm vs. 38% departing 6–9pm.

WN1491 covers more than one route in the data window — the stats below are for MDW → DTW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
68%
Median delay
+3 min
90th percentile
+91 min
Cancellation rate
2%

How often is WN1491 on time?

Across 60 flights on MDW → DTW from 2025-11-02 to 2026-01-05, WN1491 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +91 min or later. 2% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time4068%
16-30 min814%
31-60 min35%
61-120 min58%
2+ hrs35%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112588%+11 min
2025-122955%+25 min
2026-01540%+27 min

Performance by day of week

DayFlightsOn-time
Mon1070%
Tue978%
Wed967%
Thu8100%
Fri956%
Sat450%
Sun1050%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…