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(DL) Delta Air Lines 5638 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(MCI) Kansas City International Airport

Kansas City, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
49
83%
Late
4
7%
Very Late
1
2%
Excessive
2
3%
Cancelled
2
3%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
12
Codeshares
58
Average Delay (min.)
27.916666666666668
Standard Deviation
25
Min
0
Max
97

DL 5638 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 85%
Average Delay Time 27.916666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 76% of all other flights in the FlightStats database.
On-Time Performance Rating
4.6 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 92% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 27.916666666666668 min
This flight has an average delay of 27.916666666666668 minutes with a standard deviation of 25 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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