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(DL) Delta Air Lines 4083 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(PDX) Portland International Airport

Portland, OR, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
68%
Late
6
24%
Very Late
0
0%
Excessive
2
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
14
Codeshares
25
Average Delay (min.)
18
Standard Deviation
16.7
Min
0
Max
53

DL 4083 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 68%
Average Delay Time 18 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
0.5 of 5
Very 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 10% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 18 min
This flight has an average delay of 18 minutes with a standard deviation of 16.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.

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