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(DL) Delta Air Lines 847 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
83%
Late
4
7%
Very Late
0
0%
Excessive
6
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
19
Codeshares
0
Average Delay (min.)
37.578947368421055
Standard Deviation
50.7
Min
0
Max
204

DL 847 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 83%
Average Delay Time 37.578947368421055 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 55% of all other flights in the FlightStats database.
On-Time Performance Rating
4.4 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 37.578947368421055 min
This flight has an average delay of 37.578947368421055 minutes with a standard deviation of 50.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.