WN3583 MDW → BUF

Southwest Airlines · Chicago, IL to Buffalo, NY · 57 flights observed, 2025-08-05 to 2025-10-01 · 468 mi

This flight's reliability varies a lot by day of week — 100% on-time on Tuesdays vs. 50% on Mondays.

WN3583 covers more than one route in the data window — the stats below are for MDW → BUF, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
77%
Median delay
+2 min
90th percentile
+31 min
Cancellation rate
0%

How often is WN3583 on time?

Across 57 flights on MDW → BUF from 2025-08-05 to 2025-10-01, WN3583 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +31 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4477%
16-30 min712%
31-60 min611%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-082681%+5 min
2025-093073%+8 min
2025-101100%-5 min

Performance by day of week

DayFlightsOn-time
Mon850%
Tue9100%
Wed989%
Thu850%
Fri863%
Sat888%
Sun7100%

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