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

Date Range:

01-Sep-2026 to 31-Oct-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
78%
Late
2
9%
Very Late
1
4%
Excessive
2
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
23
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
79
Standard Deviation
156.1
Min
0
Max
460

DL 1661 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 78%
Average Delay Time 79 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 26% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 79 min
This flight has an average delay of 79 minutes with a standard deviation of 156.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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