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(DL) Delta Air Lines 5821 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(TVC) Traverse City Cherry Capital Airport

Traverse City, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
24
73%
Late
0
0%
Very Late
1
3%
Excessive
6
18%
Cancelled
1
3%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
32
Total Delays ( > 1 min )
11
Codeshares
32
Average Delay (min.)
46.90909090909091
Standard Deviation
43.1
Min
0
Max
144

DL 5821 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 75%
Average Delay Time 46.90909090909091 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.
On-Time Performance Rating
2.5 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 50% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 46.90909090909091 min
This flight has an average delay of 46.90909090909091 minutes with a standard deviation of 43.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.

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