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(WN) Southwest Airlines 4987 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(MDW) Chicago Midway International Airport

Chicago, IL, US

(JAX) Jacksonville International Airport

Jacksonville, FL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
86%
Late
2
14%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
14
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
11.5
Standard Deviation
6
Min
0
Max
19

WN 4987 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 86%
Average Delay Time 11.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 79% of all other flights in the FlightStats database.
On-Time Performance Rating
3.9 of 5
Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 79% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 11.5 min
This flight has an average delay of 11.5 minutes with a standard deviation of 6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.

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