(DL) Delta Air Lines 4964 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(CHS) Charleston International Airport

Charleston, SC, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)

On-Time

89%

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.)

39.2

Standard Deviation

43.7

Min

Max

100

DL 4964 On-Time Performance Details

Overall Rating

3.3 of 5

Average

Percentage On-Time 89%

Average Delay Time 39.2 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 65% of all other flights in the FlightStats database.

On-Time Performance Rating

4.7 of 5

Very Good

Percentage On-Time 89%

This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.

Delay Performance

1.9 of 5

Average

Average Delay Time 39.2 min

This flight has an average delay of 39.2 minutes with a standard deviation of 43.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.