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(DL) Delta Air Lines 1621 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(RIC) Richmond International Airport

Richmond, VA, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
13
81%
Late
1
6%
Very Late
0
0%
Excessive
2
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
16
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
62.57142857142857
Standard Deviation
111.6
Min
0
Max
306

DL 1621 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 81%
Average Delay Time 62.57142857142857 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 37% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 62.57142857142857 min
This flight has an average delay of 62.57142857142857 minutes with a standard deviation of 111.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

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