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(DL) Delta Air Lines 1184 On-time Performance Rating

Date Range:

01-Oct-2018 to 30-Nov-2018

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(GRR) Gerald R. Ford International Airport

Grand Rapids, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
20
91%
Late
2
9%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
22
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
8
Standard Deviation
8
Min
0
Max
21

DL 1184 On-time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 91%
Average Delay Time 8 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 87% of all other flights in the FlightStats database.
On-time Performance Rating
4.7 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 93% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 8 min
This flight has an average delay of 8 minutes with a standard deviation of 8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.