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(DL) Delta Air Lines 561 On-time Performance Rating

Date Range:

01-Nov-2018 to 31-Dec-2018

(BOS) Logan International Airport

Boston, MA, US

(BDA) L.F. Wade International Airport

Bermuda, BM

On-Time Performance Chart

(using rounded numbers)
On-Time
58
88%
Late
2
3%
Very Late
2
3%
Excessive
2
3%
Cancelled
0
0%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
64
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
56
Standard Deviation
99.6
Min
0
Max
336

DL 561 On-time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 91%
Average Delay Time 56 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
5.0 of 5
Very Good
Percentage On-Time 91%
This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 56 min
This flight has an average delay of 56 minutes with a standard deviation of 99.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.