background

(WN) Southwest Airlines 255 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(MDW) Chicago Midway International Airport

Chicago, IL, US

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
44%
Late
9
23%
Very Late
6
15%
Excessive
7
18%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
29
Codeshares
0
Average Delay (min.)
30.482758620689655
Standard Deviation
20
Min
0
Max
86

WN 255 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 44%
Average Delay Time 30.482758620689655 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 44%
This flight has an on-time performance of 44%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 30.482758620689655 min
This flight has an average delay of 30.482758620689655 minutes with a standard deviation of 20 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.