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(DL) Delta Air Lines 3688 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-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
24
59%
Late
4
10%
Very Late
5
12%
Excessive
8
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
41
Total Delays ( > 1 min )
20
Codeshares
41
Average Delay (min.)
47.4
Standard Deviation
41.9
Min
0
Max
187

DL 3688 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 59%
Average Delay Time 47.4 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 12% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 59%
This flight has an on-time performance of 59%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 3% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 47.4 min
This flight has an average delay of 47.4 minutes with a standard deviation of 41.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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