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(WN) Southwest Airlines 1539 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(BWI) Baltimore Washington International Airport

Baltimore, MD, US

(MDW) Chicago Midway International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
67%
Late
1
6%
Very Late
2
11%
Excessive
3
17%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
18
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
29
Standard Deviation
26.8
Min
0
Max
85

WN 1539 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 67%
Average Delay Time 29 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 44% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 29 min
This flight has an average delay of 29 minutes with a standard deviation of 26.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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