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(WN) Southwest Airlines 4378 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(MDW) Chicago Midway International Airport

Chicago, IL, US

(CLT) Charlotte Douglas International Airport

Charlotte, NC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
10
40%
Late
3
12%
Very Late
1
4%
Excessive
11
44%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
18
Codeshares
0
Average Delay (min.)
64.11111111111111
Standard Deviation
51.6
Min
0
Max
190

WN 4378 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 40%
Average Delay Time 64.11111111111111 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 40%
This flight has an on-time performance of 40%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 64.11111111111111 min
This flight has an average delay of 64.11111111111111 minutes with a standard deviation of 51.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.

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