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(DL) Delta Air Lines 7821 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(ICN) Seoul Incheon International Airport

Seoul, KR

(SIN) Singapore Changi Airport

Singapore, SG

On-Time Performance Chart

(using rounded numbers)
On-Time
18
31%
Late
20
34%
Very Late
12
20%
Excessive
9
15%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
54
Codeshares
59
Average Delay (min.)
29.537037037037038
Standard Deviation
20.9
Min
0
Max
103

DL 7821 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 31%
Average Delay Time 29.537037037037038 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 28% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 31%
This flight has an on-time performance of 31%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 29.537037037037038 min
This flight has an average delay of 29.537037037037038 minutes with a standard deviation of 20.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.