background

(DL) Delta Air Lines 991 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(LAX) Los Angeles International Airport

Los Angeles, CA, US

(JFK) New York John F. Kennedy International Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
48
77%
Late
2
3%
Very Late
3
5%
Excessive
6
10%
Cancelled
0
0%
Diverted
3
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
16
Codeshares
0
Average Delay (min.)
36.8125
Standard Deviation
30.3
Min
0
Max
99

DL 991 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 80%
Average Delay Time 36.8125 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 43% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
1.5 of 5
Poor
Average Delay Time 36.8125 min
This flight has an average delay of 36.8125 minutes with a standard deviation of 30.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.