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(DL) Delta Air Lines 499 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(DEN) Denver International Airport

Denver, CO, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
49
79%
Late
7
11%
Very Late
2
3%
Excessive
3
5%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
28
Codeshares
0
Average Delay (min.)
29.071428571428573
Standard Deviation
67.1
Min
0
Max
362

DL 499 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 80%
Average Delay Time 29.071428571428573 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 59% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 29.071428571428573 min
This flight has an average delay of 29.071428571428573 minutes with a standard deviation of 67.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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