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(WN) Southwest Airlines 4151 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
8
80%
Late
0
0%
Very Late
1
10%
Excessive
1
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
10
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
61.5
Standard Deviation
92.4
Min
0
Max
199

WN 4151 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 80%
Average Delay Time 61.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 61.5 min
This flight has an average delay of 61.5 minutes with a standard deviation of 92.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.

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