WN663 DAL → MKE

Southwest Airlines · Dallas, TX to Milwaukee, WI · 49 flights observed, 2026-04-07 to 2026-06-03 · 850 mi

This flight's reliability varies a lot by day of week — 88% on-time on Mondays vs. 38% on Thursdays.

WN663 covers more than one route in the data window — the stats below are for DAL → MKE, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
67%
Median delay
+3 min
90th percentile
+79 min
Cancellation rate
2%

How often is WN663 on time?

Across 49 flights on DAL → MKE from 2026-04-07 to 2026-06-03, WN663 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +79 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3267%
16-30 min715%
31-60 min24%
61-120 min48%
2+ hrs36%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042157%+17 min
2026-052475%+12 min
2026-06367%+53 min

Performance by day of week

DayFlightsOn-time
Mon888%
Tue875%
Wed967%
Thu838%
Fri875%
SatNo data—
Sun757%

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