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(DL) Delta Air Lines 4638 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(PIT) Pittsburgh International Airport

Pittsburgh, PA, US

(JFK) New York John F. Kennedy International Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
78%
Late
2
7%
Very Late
0
0%
Excessive
2
7%
Cancelled
2
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
6
Codeshares
27
Average Delay (min.)
35
Standard Deviation
45.5
Min
0
Max
122

DL 4638 On-Time Performance Details

Overall Rating
3.2 of 5
Average
Percentage On-Time 78%
Average Delay Time 35 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 62% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 35 min
This flight has an average delay of 35 minutes with a standard deviation of 45.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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