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

Date Range:

15-Aug-2026 to 15-Oct-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(RIC) Richmond International Airport

Richmond, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
82%
Late
0
0%
Very Late
0
0%
Excessive
2
12%
Cancelled
0
0%
Diverted
1
6%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
16
Total Delays ( > 1 min )
3
Codeshares
0
Average Delay (min.)
78.66666666666667
Standard Deviation
90
Min
0
Max
180

DL 1621 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 88%
Average Delay Time 78.66666666666667 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 of 5
Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 78.66666666666667 min
This flight has an average delay of 78.66666666666667 minutes with a standard deviation of 90 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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