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(DL) Delta Air Lines 2521 On-time Performance Rating

Date Range:

01-Oct-2018 to 30-Nov-2018

(SFO) San Francisco International Airport

San Francisco, CA, US

(ATL) Hartsfield-Jackson Atlanta International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
95%
Late
0
0%
Very Late
0
0%
Excessive
1
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
22
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
24
Standard Deviation
46.5
Min
1
Max
107

DL 2521 On-time Performance Details

Overall Rating
3.8 of 5
Good
Percentage On-Time 95%
Average Delay Time 24 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 75% of all other flights in the FlightStats database.
On-time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 95%
This flight has an on-time performance of 95%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 24 min
This flight has an average delay of 24 minutes with a standard deviation of 46.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.