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(DL) Delta Air Lines 1661 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
64%
Late
3
14%
Very Late
2
9%
Excessive
1
5%
Cancelled
1
5%
Diverted
1
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
21
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
29
Standard Deviation
26.1
Min
0
Max
90

DL 1661 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 67%
Average Delay Time 29 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 29 min
This flight has an average delay of 29 minutes with a standard deviation of 26.1 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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