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(DL) Delta Air Lines 7840 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(BOS) Boston Logan International Airport

Boston, MA, US

(ICN) Seoul Incheon International Airport

Seoul, KR

On-Time Performance Chart

(using rounded numbers)
On-Time
41
68%
Late
15
25%
Very Late
1
2%
Excessive
3
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
37
Codeshares
60
Average Delay (min.)
26
Standard Deviation
48
Min
0
Max
263

DL 7840 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 68%
Average Delay Time 26 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 5% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 26 min
This flight has an average delay of 26 minutes with a standard deviation of 48 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.