(WN) Southwest Airlines 427 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(BWI) Baltimore Washington International Airport

Baltimore, MD, US

(BDL) Bradley International Airport

Hartford, CT, US

On-Time Performance Chart

(using rounded numbers)

On-Time

82%

Late

14%

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

59.55555555555556

Standard Deviation

135.4

Min

Max

420

WN 427 On-Time Performance Details

Overall Rating

2.1 of 5

Average

Percentage On-Time 82%

Average Delay Time 59.55555555555556 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.

On-Time Performance Rating

3.8 of 5

Good

Percentage On-Time 82%

This flight has an on-time performance of 82%. 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

0.4 of 5

Very Poor

Average Delay Time 59.55555555555556 min

This flight has an average delay of 59.55555555555556 minutes with a standard deviation of 135.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 8% of other flights.