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(AS) Alaska Airlines 4488 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(GRR) Grand Rapids Gerald R. Ford International Airport

Grand Rapids, MI, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
90%
Late
0
0%
Very Late
1
10%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
10
Total Delays ( > 1 min )
3
Codeshares
10
Average Delay (min.)
21.333333333333332
Standard Deviation
16.2
Min
0
Max
40

AS 4488 On-Time Performance Details

Overall Rating
3.8 of 5
Good
Percentage On-Time 90%
Average Delay Time 21.333333333333332 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 75% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 of 5
Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. 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
3.3 of 5
Average
Average Delay Time 21.333333333333332 min
This flight has an average delay of 21.333333333333332 minutes with a standard deviation of 16.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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