background

(DL) Delta Air Lines 488 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(PWM) Portland International Jetport

Portland, ME, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
25
68%
Late
2
5%
Very Late
2
5%
Excessive
7
19%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
37
Total Delays ( > 1 min )
15
Codeshares
0
Average Delay (min.)
55.13333333333333
Standard Deviation
48.2
Min
0
Max
156

DL 488 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 68%
Average Delay Time 55.13333333333333 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 12% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 55.13333333333333 min
This flight has an average delay of 55.13333333333333 minutes with a standard deviation of 48.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.

Other Stops for DL 488