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(DL) Delta Air Lines 5621 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(LGA) New York LaGuardia Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
80%
Late
1
7%
Very Late
0
0%
Excessive
1
7%
Cancelled
1
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
15
Total Delays ( > 1 min )
5
Codeshares
15
Average Delay (min.)
36
Standard Deviation
55.3
Min
0
Max
134

DL 5621 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 80%
Average Delay Time 36 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 51% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 36 min
This flight has an average delay of 36 minutes with a standard deviation of 55.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

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