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(DL) Delta Air Lines 5399 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(PWM) Portland International Jetport

Portland, ME, US

(JFK) New York John F. Kennedy International Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
59%
Late
4
10%
Very Late
1
3%
Excessive
7
18%
Cancelled
4
10%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
19
Codeshares
39
Average Delay (min.)
44.78947368421053
Standard Deviation
68
Min
0
Max
298

DL 5399 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 59%
Average Delay Time 44.78947368421053 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 11% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 59%
This flight has an on-time performance of 59%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 44.78947368421053 min
This flight has an average delay of 44.78947368421053 minutes with a standard deviation of 68 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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