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

Date Range:

15-Feb-2025 to 15-Apr-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
42
68%
Late
5
8%
Very Late
5
8%
Excessive
7
11%
Cancelled
0
0%
Diverted
3
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
20
Codeshares
0
Average Delay (min.)
59.45
Standard Deviation
54.7
Min
0
Max
162

DL 2639 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 71%
Average Delay Time 59.45 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 2% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 7% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 59.45 min
This flight has an average delay of 59.45 minutes with a standard deviation of 54.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.