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(WN) Southwest Airlines 2121 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(DEN) Denver International Airport

Denver, CO, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
28
64%
Late
1
2%
Very Late
3
7%
Excessive
10
23%
Cancelled
2
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
44
Total Delays ( > 1 min )
23
Codeshares
0
Average Delay (min.)
55.73913043478261
Standard Deviation
60.2
Min
0
Max
205

WN 2121 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 64%
Average Delay Time 55.73913043478261 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 2% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 64%
This flight has an on-time performance of 64%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 55.73913043478261 min
This flight has an average delay of 55.73913043478261 minutes with a standard deviation of 60.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.

Other Stops for WN 2121