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(AS) Alaska Airlines 4051 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(BIL) Billings Logan International Airport

Billings, MT, US

(DFW) Dallas Fort Worth International Airport

Dallas, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
25
71%
Late
5
14%
Very Late
0
0%
Excessive
5
14%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
17
Codeshares
35
Average Delay (min.)
46.8235294117647
Standard Deviation
70.8
Min
0
Max
258

AS 4051 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 71%
Average Delay Time 46.8235294117647 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 71%
This flight has an on-time performance of 71%. 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 46.8235294117647 min
This flight has an average delay of 46.8235294117647 minutes with a standard deviation of 70.8 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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