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(WN) Southwest Airlines 1399 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(GRR) Grand Rapids Gerald R. Ford International Airport

Grand Rapids, MI, US

(MDW) Chicago Midway International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
85%
Late
1
4%
Very Late
2
8%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
21.11111111111111
Standard Deviation
24.5
Min
0
Max
73

WN 1399 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 85%
Average Delay Time 21.11111111111111 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 84% of all other flights in the FlightStats database.
On-Time Performance Rating
4.6 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 92% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 21.11111111111111 min
This flight has an average delay of 21.11111111111111 minutes with a standard deviation of 24.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

Other Stops for WN 1399