background

(DL) Delta Air Lines 4644 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(TRI) Tri-Cities Regional Airport

Bristol, VA/Johnson City/Kingsport, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
82%
Late
2
18%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
11
Total Delays ( > 1 min )
3
Codeshares
11
Average Delay (min.)
15.666666666666666
Standard Deviation
12.9
Min
0
Max
25

DL 4644 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 82%
Average Delay Time 15.666666666666666 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
3.1 of 5
Average
Percentage On-Time 82%
This flight has an on-time performance of 82%. 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
3.5 of 5
Average
Average Delay Time 15.666666666666666 min
This flight has an average delay of 15.666666666666666 minutes with a standard deviation of 12.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

Other Stops for DL 4644