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(DL) Delta Air Lines 4820 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(JFK) New York John F. Kennedy International Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
69%
Late
2
6%
Very Late
0
0%
Excessive
6
19%
Cancelled
1
3%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
31
Total Delays ( > 1 min )
13
Codeshares
31
Average Delay (min.)
120.84615384615384
Standard Deviation
236.6
Min
0
Max
875

DL 4820 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 71%
Average Delay Time 120.84615384615384 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 6% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 120.84615384615384 min
This flight has an average delay of 120.84615384615384 minutes with a standard deviation of 236.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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