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(DL) Delta Air Lines 4148 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(SNA) John Wayne Airport

Santa Ana, CA, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
29
67%
Late
7
16%
Very Late
2
5%
Excessive
3
7%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
42
Total Delays ( > 1 min )
20
Codeshares
42
Average Delay (min.)
24.75
Standard Deviation
28.2
Min
0
Max
118

DL 4148 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 69%
Average Delay Time 24.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 24.75 min
This flight has an average delay of 24.75 minutes with a standard deviation of 28.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

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