(WN) Southwest Airlines 4378 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(ICT) Wichita Dwight D. Eisenhower National Airport

Wichita, KS, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)

On-Time

70%

Late

30%

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

16.166666666666668

Standard Deviation

10.4

Min

Max

WN 4378 On-Time Performance Details

Overall Rating

2.6 of 5

Average

Percentage On-Time 70%

Average Delay Time 16.166666666666668 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 51% of all other flights in the FlightStats database.

On-Time Performance Rating

1.4 of 5

Poor

Percentage On-Time 70%

This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.

Delay Performance

3.8 of 5

Good

Average Delay Time 16.166666666666668 min

This flight has an average delay of 16.166666666666668 minutes with a standard deviation of 10.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.