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(DL) Delta Air Lines 855 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
45
73%
Late
4
6%
Very Late
5
8%
Excessive
4
6%
Cancelled
3
5%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
20
Codeshares
0
Average Delay (min.)
26.7
Standard Deviation
19.9
Min
0
Max
71

DL 855 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 74%
Average Delay Time 26.7 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 66% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 26.7 min
This flight has an average delay of 26.7 minutes with a standard deviation of 19.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.