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(DL) Delta Air Lines 166 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(HND) Tokyo Haneda International Airport

Tokyo, JP

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
69%
Late
4
6%
Very Late
4
6%
Excessive
8
13%
Cancelled
1
2%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
24
Codeshares
0
Average Delay (min.)
83.5
Standard Deviation
177.3
Min
0
Max
762

DL 166 On-Time Performance Details

Overall Rating
0.9 of 5
Poor
Percentage On-Time 72%
Average Delay Time 83.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 16% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 of 5
Average
Percentage On-Time 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 83.5 min
This flight has an average delay of 83.5 minutes with a standard deviation of 177.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.