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(DL) Delta Air Lines 840 On-time Performance Rating

Date Range:

01-Aug-2018 to 30-Sep-2018

(BOS) Logan International Airport

Boston, MA, US

(CVG) Cincinnati/Northern Kentucky Airport

Cincinnati, OH, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
79%
Late
0
0%
Very Late
3
11%
Excessive
2
7%
Cancelled
0
0%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
35
Standard Deviation
24.9
Min
5
Max
73

DL 840 On-time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 81%
Average Delay Time 35 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 50% of all other flights in the FlightStats database.
On-time Performance Rating
3.6 of 5
Good
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
1.5 of 5
Poor
Average Delay Time 35 min
This flight has an average delay of 35 minutes with a standard deviation of 24.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.