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(WN) Southwest Airlines 3311 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(PIT) Pittsburgh International Airport

Pittsburgh, PA, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
16
84%
Late
1
5%
Very Late
1
5%
Excessive
1
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
28.2
Standard Deviation
25.9
Min
0
Max
67

WN 3311 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 84%
Average Delay Time 28.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 66% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 28.2 min
This flight has an average delay of 28.2 minutes with a standard deviation of 25.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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