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(DL) Delta Air Lines 3953 On-Time Performance Rating

Date Range:

01-Sep-2025 to 31-Oct-2025

(PDX) Portland International Airport

Portland, OR, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
82%
Late
5
8%
Very Late
2
3%
Excessive
3
5%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
18
Codeshares
60
Average Delay (min.)
23.833333333333332
Standard Deviation
23
Min
0
Max
82

DL 3953 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 83%
Average Delay Time 23.833333333333332 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 78% of all other flights in the FlightStats database.
On-Time Performance Rating
4.4 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 23.833333333333332 min
This flight has an average delay of 23.833333333333332 minutes with a standard deviation of 23 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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