background

(DL) Delta Air Lines 4727 On-time Performance Rating

Date Range:

15-May-2018 to 15-Jul-2018

(ROA) Roanoke-Blacksburg Regional AirportRoanoke, VA, US
(ATL) Hartsfield-Jackson Atlanta International AirportAtlanta, GA, US
On-Time Performance Chart
(using rounded numbers)
On-Time
17
71%
Late
2
8%
Very Late
2
8%
Excessive
3
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
13
Codeshares
24
Average Delay (min.)
48
Standard Deviation
70.5
Min
1
Max
200
DL 4727 On-time Performance Details
Overall Rating
1.3 of 5
Poor
Percentage On-Time 71%
Average Delay Time 48 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 24% of all other flights in the FlightStats database.
On-time Performance Rating
1.9 of 5
Average
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 48 min
This flight has an average delay of 48 minutes with a standard deviation of 70.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.