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(DL) Delta Air Lines 3678 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(BOI) Boise Air Terminal

Boise, ID, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
52
85%
Late
3
5%
Very Late
3
5%
Excessive
3
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
21
Codeshares
61
Average Delay (min.)
31.714285714285715
Standard Deviation
49.7
Min
0
Max
191

DL 3678 On-Time Performance Details

Overall Rating
3.7 of 5
Good
Percentage On-Time 85%
Average Delay Time 31.714285714285715 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.7 shows that this flight has on-time performance characteristics better than 73% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 31.714285714285715 min
This flight has an average delay of 31.714285714285715 minutes with a standard deviation of 49.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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