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

Date Range:

15-Aug-2026 to 15-Oct-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
26
93%
Late
1
4%
Very Late
0
0%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
10
Codeshares
28
Average Delay (min.)
11.5
Standard Deviation
21.4
Min
0
Max
71

DL 3861 On-Time Performance Details

Overall Rating
4.7 of 5
Very Good
Percentage On-Time 93%
Average Delay Time 11.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.7 shows that this flight has on-time performance characteristics better than 92% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 93%
This flight has an on-time performance of 93%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 11.5 min
This flight has an average delay of 11.5 minutes with a standard deviation of 21.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.

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