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

Date Range:

15-Aug-2025 to 15-Oct-2025

(HND) Tokyo Haneda International Airport

Tokyo, JP

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
82%
Late
1
2%
Very Late
3
5%
Excessive
6
10%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
19
Codeshares
0
Average Delay (min.)
40.73684210526316
Standard Deviation
50.4
Min
0
Max
194

DL 166 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 82%
Average Delay Time 40.73684210526316 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 50% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 40.73684210526316 min
This flight has an average delay of 40.73684210526316 minutes with a standard deviation of 50.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.