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(DL) Delta Air Lines 439 On-Time Performance Rating

Date Range:

15-Mar-2024 to 15-May-2024

(BOS) Logan International Airport

Boston, MA, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
2
50%
Late
0
0%
Very Late
2
50%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
4
Total Delays ( > 1 min )
3
Codeshares
0
Average Delay (min.)
29.666666666666668
Standard Deviation
17.4
Min
0
Max
43

DL 439 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 50%
Average Delay Time 29.666666666666668 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 34% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 29.666666666666668 min
This flight has an average delay of 29.666666666666668 minutes with a standard deviation of 17.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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