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(DL) Delta Air Lines 5721 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(LGA) New York LaGuardia Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
62%
Late
2
6%
Very Late
0
0%
Excessive
6
18%
Cancelled
4
12%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
11
Codeshares
33
Average Delay (min.)
64.81818181818181
Standard Deviation
71.6
Min
0
Max
219

DL 5721 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 64%
Average Delay Time 64.81818181818181 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
0.2 of 5
Very Poor
Percentage On-Time 64%
This flight has an on-time performance of 64%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 64.81818181818181 min
This flight has an average delay of 64.81818181818181 minutes with a standard deviation of 71.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.

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