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

Date Range:

01-Nov-2025 to 31-Dec-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
49
80%
Late
4
7%
Very Late
2
3%
Excessive
5
8%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
23
Codeshares
61
Average Delay (min.)
25
Standard Deviation
25.7
Min
0
Max
83

DL 3953 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 80%
Average Delay Time 25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 81% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 25 min
This flight has an average delay of 25 minutes with a standard deviation of 25.7 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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