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(TP) TAP Air Portugal 8491 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
46
72%
Late
3
5%
Very Late
4
6%
Excessive
5
8%
Cancelled
3
5%
Diverted
3
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
24
Codeshares
61
Average Delay (min.)
31.458333333333332
Standard Deviation
39.9
Min
0
Max
165

TP 8491 On-Time Performance Details

Overall Rating
3.7 of 5
Good
Percentage On-Time 75%
Average Delay Time 31.458333333333332 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.7 shows that this flight has on-time performance characteristics better than 73% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 31.458333333333332 min
This flight has an average delay of 31.458333333333332 minutes with a standard deviation of 39.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.