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

Date Range:

15-Jan-2026 to 15-Mar-2026

(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
47
78%
Late
3
5%
Very Late
1
2%
Excessive
5
8%
Cancelled
4
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
15
Codeshares
0
Average Delay (min.)
45.2
Standard Deviation
48.7
Min
0
Max
145

DL 847 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 78%
Average Delay Time 45.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 43% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
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 69% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 45.2 min
This flight has an average delay of 45.2 minutes with a standard deviation of 48.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.