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(AS) Alaska Airlines 4691 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
30
64%
Late
4
9%
Very Late
2
4%
Excessive
8
17%
Cancelled
3
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
47
Total Delays ( > 1 min )
17
Codeshares
47
Average Delay (min.)
53.11764705882353
Standard Deviation
49.6
Min
0
Max
173

AS 4691 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 64%
Average Delay Time 53.11764705882353 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 8% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 64%
This flight has an on-time performance of 64%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 7% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 53.11764705882353 min
This flight has an average delay of 53.11764705882353 minutes with a standard deviation of 49.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.