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

Date Range:

01-Jan-2026 to 28-Feb-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
45
76%
Late
5
8%
Very Late
2
3%
Excessive
3
5%
Cancelled
4
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
18
Codeshares
59
Average Delay (min.)
26.88888888888889
Standard Deviation
30.3
Min
0
Max
118

DL 5638 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 76%
Average Delay Time 26.88888888888889 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 65% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 76%
This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 26.88888888888889 min
This flight has an average delay of 26.88888888888889 minutes with a standard deviation of 30.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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