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

Date Range:

01-Sep-2025 to 31-Oct-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
21
91%
Late
1
4%
Very Late
0
0%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
23
Total Delays ( > 1 min )
7
Codeshares
23
Average Delay (min.)
18.285714285714285
Standard Deviation
25.6
Min
0
Max
74

DL 4148 On-Time Performance Details

Overall Rating
4.2 of 5
Good
Percentage On-Time 91%
Average Delay Time 18.285714285714285 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.2 shows that this flight has on-time performance characteristics better than 83% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 91%
This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 18.285714285714285 min
This flight has an average delay of 18.285714285714285 minutes with a standard deviation of 25.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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