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(DL) Delta Air Lines 638 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(BOS) Boston Logan International Airport

Boston, MA, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
30
79%
Late
3
8%
Very Late
3
8%
Excessive
2
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
38
Total Delays ( > 1 min )
15
Codeshares
0
Average Delay (min.)
34.266666666666666
Standard Deviation
58.4
Min
0
Max
236

DL 638 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 79%
Average Delay Time 34.266666666666666 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 34.266666666666666 min
This flight has an average delay of 34.266666666666666 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 38% of other flights.

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