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(AS) Alaska Airlines 4535 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
6
55%
Late
2
18%
Very Late
2
18%
Excessive
0
0%
Cancelled
1
9%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
11
Total Delays ( > 1 min )
9
Codeshares
11
Average Delay (min.)
17
Standard Deviation
11.8
Min
0
Max
39

AS 4535 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 55%
Average Delay Time 17 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 43% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 55%
This flight has an on-time performance of 55%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 5% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 17 min
This flight has an average delay of 17 minutes with a standard deviation of 11.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.

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