
(WN) Southwest Airlines 4639 On-Time Performance Rating
Date Range:
01-Jan-2026 to 28-Feb-2026
On-Time Performance Chart
(using rounded numbers)
On-Time
7
70%
Late
0
0%
Very Late
1
10%
Excessive
2
20%
Cancelled
0
0%
Diverted
0
0%
Delay Statistics
(Aggregate Arrival Delay Statistics for this Flight)
Total Flights Observed
10
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
36
Standard Deviation
33.6
Min
0
Max
80
WN 4639 On-Time Performance Details
Other Stops for WN 4639
Origin
Destination
Rating
(BOI) Boise Air Terminal
Boise, ID, US
(OAK) San Francisco Bay Oakland International Airport
Oakland, CA, US
3.1 Average
(DEN) Denver International Airport
Denver, CO, US
(SMF) Sacramento International Airport
Sacramento, CA, US
0.4 Very Poor
(LAS) Las Vegas Harry Reid International Airport
Las Vegas, NV, US
(SJC) San Jose Mineta International Airport
San Jose, CA, US
1.7 Average
(SMF) Sacramento International Airport
Sacramento, CA, US
(PSP) Palm Springs International Airport
Palm Springs, CA, US
0.9 Poor