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(DL) Delta Air Lines 3861 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
25
86%
Late
2
7%
Very Late
0
0%
Excessive
1
3%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
7
Codeshares
28
Average Delay (min.)
19.571428571428573
Standard Deviation
28.7
Min
0
Max
83

DL 3861 On-Time Performance Details

Overall Rating
4.2 of 5
Good
Percentage On-Time 89%
Average Delay Time 19.571428571428573 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.2 shows that this flight has on-time performance characteristics better than 82% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. 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
3.6 of 5
Good
Average Delay Time 19.571428571428573 min
This flight has an average delay of 19.571428571428573 minutes with a standard deviation of 28.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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