(WN) Southwest Airlines 1635 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(PWM) Portland International Jetport

Portland, ME, US

(BWI) Baltimore Washington International Airport

Baltimore, MD, US

On-Time Performance Chart

(using rounded numbers)

On-Time

78%

Late

Very Late

11%

Excessive

11%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

24.6

Standard Deviation

19.1

Min

Max

WN 1635 On-Time Performance Details

Overall Rating

3.0 of 5

Average

Percentage On-Time 78%

Average Delay Time 24.6 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 59% of all other flights in the FlightStats database.

On-Time Performance Rating

2.7 of 5

Average

Percentage On-Time 78%

This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.

Delay Performance

3.3 of 5

Average

Average Delay Time 24.6 min

This flight has an average delay of 24.6 minutes with a standard deviation of 19.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.