(AS) Alaska Airlines 4635 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(RDU) Raleigh-Durham International Airport

Raleigh/Durham, NC, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

25%

Late

25%

Very Late

Excessive

50%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

Standard Deviation

Min

Max

AS 4635 On-Time Performance Details

Overall Rating

1.1 of 5

Poor

Percentage On-Time 25%

Average Delay Time 38 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 20% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 25%

This flight has an on-time performance of 25%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.

Delay Performance

2.1 of 5

Average

Average Delay Time 38 min

This flight has an average delay of 38 minutes with a standard deviation of 13 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.