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(WN) Southwest Airlines 991 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(BNA) Nashville International Airport

Nashville, TN, US

(LAX) Los Angeles International Airport

Los Angeles, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
4
80%
Late
0
0%
Very Late
0
0%
Excessive
1
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
5
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
18
Standard Deviation
21.2
Min
0
Max
49

WN 991 On-Time Performance Details

Overall Rating
3.1 of 5
Average
Percentage On-Time 80%
Average Delay Time 18 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.1 shows that this flight has on-time performance characteristics better than 61% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 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 54% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 18 min
This flight has an average delay of 18 minutes with a standard deviation of 21.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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