background

(WN) Southwest Airlines 3634 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(BNA) Nashville International Airport

Nashville, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
20
41%
Late
8
16%
Very Late
8
16%
Excessive
13
27%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
49
Total Delays ( > 1 min )
42
Codeshares
0
Average Delay (min.)
43.785714285714285
Standard Deviation
44.2
Min
0
Max
213

WN 3634 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 41%
Average Delay Time 43.785714285714285 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 13% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 41%
This flight has an on-time performance of 41%. 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
1.4 of 5
Poor
Average Delay Time 43.785714285714285 min
This flight has an average delay of 43.785714285714285 minutes with a standard deviation of 44.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

Other Stops for WN 3634