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(DL) Delta Air Lines 2639 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(JFK) New York John F. Kennedy International Airport

New York, NY, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
33
54%
Late
5
8%
Very Late
4
7%
Excessive
15
25%
Cancelled
3
5%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
30
Codeshares
0
Average Delay (min.)
89.5
Standard Deviation
106.4
Min
0
Max
507

DL 2639 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 55%
Average Delay Time 89.5 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 55%
This flight has an on-time performance of 55%. 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 89.5 min
This flight has an average delay of 89.5 minutes with a standard deviation of 106.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.