WN1540 RDU → MDW

Southwest Airlines · Raleigh/Durham, NC to Chicago, IL · 24 flights observed, 2025-08-07 to 2025-09-29 · 632 mi

This flight has a strong track record — on time 96% of the time, with a low cancellation rate.

WN1540 covers more than one route in the data window — the stats below are for RDU → MDW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
96%
Median delay
-11 min
90th percentile
0 min
Cancellation rate
0%

How often is WN1540 on time?

Across 24 flights on RDU → MDW from 2025-08-07 to 2025-09-29, WN1540 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived 0 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2396%
16-30 min14%
31-60 min00%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-081191%-5 min
2025-0913100%-12 min

Performance by day of week

DayFlightsOn-time
Mon888%
TueNo data—
WedNo data—
Thu8100%
Fri8100%
SatNo data—
SunNo data—

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