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(WN) Southwest Airlines 377 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(HOU) Houston Hobby Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
6
50%
Late
2
17%
Very Late
2
17%
Excessive
2
17%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
12
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
55
Standard Deviation
52.7
Min
0
Max
143

WN 377 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 50%
Average Delay Time 55 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 8% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 3% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 55 min
This flight has an average delay of 55 minutes with a standard deviation of 52.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.

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