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

Date Range:

01-Nov-2025 to 31-Dec-2025

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(PDX) Portland International Airport

Portland, OR, US

On-Time Performance Chart

(using rounded numbers)
On-Time
54
87%
Late
3
5%
Very Late
1
2%
Excessive
2
3%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
9
Codeshares
61
Average Delay (min.)
27.666666666666668
Standard Deviation
23.9
Min
0
Max
82

DL 3953 On-Time Performance Details

Overall Rating
4.2 of 5
Good
Percentage On-Time 89%
Average Delay Time 27.666666666666668 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 82% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 27.666666666666668 min
This flight has an average delay of 27.666666666666668 minutes with a standard deviation of 23.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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