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(DL) Delta Air Lines 4479 On-time Performance Rating

Date Range:

15-Nov-2018 to 15-Jan-2019

(MDW) Chicago Midway International Airport

Chicago, IL, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
75%
Late
0
0%
Very Late
0
0%
Excessive
3
25%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
12
Total Delays ( > 1 min )
4
Codeshares
12
Average Delay (min.)
53
Standard Deviation
32.9
Min
10
Max
83

DL 4479 On-time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 75%
Average Delay Time 53 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 27% of all other flights in the FlightStats database.
On-time Performance Rating
2.1 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 53 min
This flight has an average delay of 53 minutes with a standard deviation of 32.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.