(DL) Delta Air Lines 4935 On-Time Performance Rating

Date Range:

01-Apr-2025 to 31-May-2025

(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

81%

Late

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

18.666666666666668

Standard Deviation

17.9

Min

Max

DL 4935 On-Time Performance Details

Overall Rating

3.8 of 5

Good

Percentage On-Time 81%

Average Delay Time 18.666666666666668 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

3.5 of 5

Average

Percentage On-Time 81%

This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.

Delay Performance

4.1 of 5

Good

Average Delay Time 18.666666666666668 min

This flight has an average delay of 18.666666666666668 minutes with a standard deviation of 17.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.