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(AS) Alaska Airlines 4739 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
40
82%
Late
2
4%
Very Late
3
6%
Excessive
2
4%
Cancelled
2
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
49
Total Delays ( > 1 min )
10
Codeshares
49
Average Delay (min.)
28.9
Standard Deviation
22
Min
0
Max
67

AS 4739 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 82%
Average Delay Time 28.9 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 77% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 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 90% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 28.9 min
This flight has an average delay of 28.9 minutes with a standard deviation of 22 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.