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

Date Range:

01-Sep-2026 to 31-Oct-2026

(PDX) Portland International Airport

Portland, OR, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
45
75%
Late
7
12%
Very Late
4
7%
Excessive
3
5%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
35
Codeshares
60
Average Delay (min.)
28.314285714285713
Standard Deviation
61.7
Min
0
Max
358

DL 3953 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 75%
Average Delay Time 28.314285714285713 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 44% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 28.314285714285713 min
This flight has an average delay of 28.314285714285713 minutes with a standard deviation of 61.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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