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(DL) Delta Air Lines 4917 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(JFK) New York John F. Kennedy International Airport

New York, NY, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
76%
Late
1
3%
Very Late
1
3%
Excessive
2
7%
Cancelled
2
7%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
7
Codeshares
28
Average Delay (min.)
24.285714285714285
Standard Deviation
20.4
Min
0
Max
50

DL 4917 On-Time Performance Details

Overall Rating
3.2 of 5
Average
Percentage On-Time 79%
Average Delay Time 24.285714285714285 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 63% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 24.285714285714285 min
This flight has an average delay of 24.285714285714285 minutes with a standard deviation of 20.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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