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(WN) Southwest Airlines 1388 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

(BNA) Nashville International Airport

Nashville, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
30
81%
Late
4
11%
Very Late
0
0%
Excessive
2
5%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
37
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
19
Standard Deviation
21.3
Min
0
Max
67

WN 1388 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 81%
Average Delay Time 19 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 85% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 of 5
Good
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.
Delay Performance
4.3 of 5
Good
Average Delay Time 19 min
This flight has an average delay of 19 minutes with a standard deviation of 21.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.

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