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(WN) Southwest Airlines 1491 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(MDW) Chicago Midway International Airport

Chicago, IL, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
2
33%
Late
1
17%
Very Late
1
17%
Excessive
2
33%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
6
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
39
Standard Deviation
35.2
Min
4
Max
91

WN 1491 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 33%
Average Delay Time 39 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 18% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 33%
This flight has an on-time performance of 33%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 39 min
This flight has an average delay of 39 minutes with a standard deviation of 35.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.

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