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

Date Range:

15-May-2026 to 15-Jul-2026

(ORF) Norfolk International Airport

Norfolk, VA, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
20
57%
Late
6
17%
Very Late
1
3%
Excessive
7
20%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
19
Codeshares
0
Average Delay (min.)
53.68421052631579
Standard Deviation
62.2
Min
0
Max
178

DL 1621 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 59%
Average Delay Time 53.68421052631579 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.3 shows that this flight has on-time performance characteristics better than 5% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 59%
This flight has an on-time performance of 59%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.5 of 5
Very Poor
Average Delay Time 53.68421052631579 min
This flight has an average delay of 53.68421052631579 minutes with a standard deviation of 62.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.

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