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(WN) Southwest Airlines 991 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(BWI) Baltimore Washington International Airport

Baltimore, MD, US

(PVD) Rhode Island T. F. Green International Airport

Providence, RI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
39
93%
Late
2
5%
Very Late
0
0%
Excessive
0
0%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
42
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
11.25
Standard Deviation
8.7
Min
0
Max
19

WN 991 On-Time Performance Details

Overall Rating
4.5 of 5
Good
Percentage On-Time 93%
Average Delay Time 11.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.5 shows that this flight has on-time performance characteristics better than 88% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 93%
This flight has an on-time performance of 93%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 11.25 min
This flight has an average delay of 11.25 minutes with a standard deviation of 8.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

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