WN743 BOS → MCI

Southwest Airlines · Boston, MA to Kansas City, MO · 19 flights observed, 2026-06-04 to 2026-06-30 · 1,256 mi

WN743 covers more than one route in the data window — the stats below are for BOS → MCI, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
58%
Median delay
+12 min
90th percentile
+35 min
Cancellation rate
0%

How often is WN743 on time?

Across 19 flights on BOS → MCI from 2026-06-04 to 2026-06-30, WN743 arrived within 15 minutes of schedule 58% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +35 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1158%
16-30 min316%
31-60 min421%
61-120 min00%
2+ hrs15%

Performance by month

MonthFlightsOn-timeAvg delay
2026-061958%+17 min

Performance by day of week

DayFlightsOn-time
Mon4100%
Tue475%
Wed333%
Thu450%
Fri425%
SatNo data—
SunNo data—

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