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(DL) Delta Air Lines 3478 On-time Performance Rating

Date Range:

01-Oct-2018 to 30-Nov-2018

(BOS) Logan International Airport

Boston, MA, US

(JFK) John F. Kennedy International Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
67%
Late
2
10%
Very Late
1
5%
Excessive
3
14%
Cancelled
1
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
21
Total Delays ( > 1 min )
9
Codeshares
21
Average Delay (min.)
58
Standard Deviation
77.5
Min
3
Max
198

DL 3478 On-time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 67%
Average Delay Time 58 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 4% of all other flights in the FlightStats database.
On-time Performance Rating
0.4 of 5
Very Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 8% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 58 min
This flight has an average delay of 58 minutes with a standard deviation of 77.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.