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(DL) Delta Air Lines 5277 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-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
53
87%
Late
4
7%
Very Late
1
2%
Excessive
1
2%
Cancelled
2
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
15
Codeshares
61
Average Delay (min.)
16.866666666666667
Standard Deviation
17.4
Min
0
Max
67

DL 5277 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 87%
Average Delay Time 16.866666666666667 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 90% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
4.3 of 5
Good
Average Delay Time 16.866666666666667 min
This flight has an average delay of 16.866666666666667 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 86% of other flights.