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(DL) Delta Air Lines 817 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(BOS) Boston Logan International Airport

Boston, MA, US

(RDU) Raleigh-Durham International Airport

Raleigh/Durham, NC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
40
73%
Late
4
7%
Very Late
2
4%
Excessive
8
15%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
21
Codeshares
0
Average Delay (min.)
54.904761904761905
Standard Deviation
58.4
Min
0
Max
188

DL 817 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 73%
Average Delay Time 54.904761904761905 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 7% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 54.904761904761905 min
This flight has an average delay of 54.904761904761905 minutes with a standard deviation of 58.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.