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(DL) Delta Air Lines 5231 On-time Performance Rating

Date Range:

01-May-2018 to 30-Jun-2018

(BOS) Logan International AirportBoston, MA, US
(JFK) John F. Kennedy International AirportNew York, NY, US
On-Time Performance Chart
(using rounded numbers)
On-Time
24
80%
Late
1
3%
Very Late
2
7%
Excessive
3
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
30
Total Delays ( > 1 min )
12
Codeshares
30
Average Delay (min.)
50
Standard Deviation
73.1
Min
1
Max
217
DL 5231 On-time Performance Details
Overall Rating
2.3 of 5
Average
Percentage On-Time 80%
Average Delay Time 50 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-time Performance Rating
4.1 of 5
Good
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 82% of other flights.
Delay Performance
0.5 of 5
Very Poor
Average Delay Time 50 min
This flight has an average delay of 50 minutes with a standard deviation of 73.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.