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(DL) Delta Air Lines 4149 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(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
60%
Late
6
14%
Very Late
2
5%
Excessive
8
19%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
42
Total Delays ( > 1 min )
24
Codeshares
42
Average Delay (min.)
70.5
Standard Deviation
105.2
Min
0
Max
387

DL 4149 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 60%
Average Delay Time 70.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 70.5 min
This flight has an average delay of 70.5 minutes with a standard deviation of 105.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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