background

(DL) Delta Air Lines 5639 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(GRR) Grand Rapids Gerald R. Ford International Airport

Grand Rapids, MI, US

(LGA) New York LaGuardia Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
39
74%
Late
7
13%
Very Late
2
4%
Excessive
3
6%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
15
Codeshares
52
Average Delay (min.)
27.733333333333334
Standard Deviation
17.2
Min
0
Max
63

DL 5639 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 75%
Average Delay Time 27.733333333333334 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.
On-Time Performance Rating
1.9 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 38% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 27.733333333333334 min
This flight has an average delay of 27.733333333333334 minutes with a standard deviation of 17.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.