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(AS) Alaska Airlines 4143 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(GSP) Greenville-Spartanburg International Airport

Greenville, SC, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
41
68%
Late
6
10%
Very Late
4
7%
Excessive
6
10%
Cancelled
3
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
30
Codeshares
60
Average Delay (min.)
29.966666666666665
Standard Deviation
47.8
Min
0
Max
257

AS 4143 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 68%
Average Delay Time 29.966666666666665 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 38% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 29.966666666666665 min
This flight has an average delay of 29.966666666666665 minutes with a standard deviation of 47.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.