background

(TP) TAP Air Portugal 8521 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
58
94%
Late
0
0%
Very Late
0
0%
Excessive
2
3%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
8
Codeshares
61
Average Delay (min.)
24.375
Standard Deviation
32.1
Min
0
Max
90

TP 8521 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 95%
Average Delay Time 24.375 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 84% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 95%
This flight has an on-time performance of 95%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 24.375 min
This flight has an average delay of 24.375 minutes with a standard deviation of 32.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.