(AS) Alaska Airlines 4312 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(MSN) Dane County Regional Airport

Madison, WI, US

On-Time Performance Chart

(using rounded numbers)

On-Time

50%

Late

Very Late

50%

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

18.5

Standard Deviation

19.1

Min

Max

AS 4312 On-Time Performance Details

Overall Rating

2.1 of 5

Average

Percentage On-Time 50%

Average Delay Time 18.5 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.

On-Time Performance Rating

0.8 of 5

Poor

Percentage On-Time 50%

This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.

Delay Performance

3.3 of 5

Average

Average Delay Time 18.5 min

This flight has an average delay of 18.5 minutes with a standard deviation of 19.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.