WN4110 MDW → BUF

Southwest Airlines · Chicago, IL to Buffalo, NY · 16 flights observed, 2026-06-04 to 2026-06-29 · 468 mi

This flight has been on time less than half the time (13%) — expect a real chance of a delay.

WN4110 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
13%
Median delay
+34 min
90th percentile
+86 min
Cancellation rate
6%

How often is WN4110 on time?

Across 16 flights on MDW → BUF from 2026-06-04 to 2026-06-29, WN4110 arrived within 15 minutes of schedule 13% of the time. The median arrival delay was +34 min, and the worst 10% of flights arrived +86 min or later. 6% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time213%
16-30 min427%
31-60 min640%
61-120 min213%
2+ hrs17%

Performance by month

MonthFlightsOn-timeAvg delay
2026-061513%+43 min

Performance by day of week

DayFlightsOn-time
Mon40%
TueNo data—
WedNo data—
Thu333%
Fri425%
SatNo data—
Sun40%

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