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(AS) Alaska Airlines 4351 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(MCI) Kansas City International Airport

Kansas City, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
65%
Late
1
6%
Very Late
2
12%
Excessive
3
18%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
17
Total Delays ( > 1 min )
9
Codeshares
17
Average Delay (min.)
52.666666666666664
Standard Deviation
59.7
Min
0
Max
170

AS 4351 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 65%
Average Delay Time 52.666666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 13% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 65%
This flight has an on-time performance of 65%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 52.666666666666664 min
This flight has an average delay of 52.666666666666664 minutes with a standard deviation of 59.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.

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