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(TP) TAP Air Portugal 4399 On-Time Performance Rating

Date Range:

15-May-2025 to 15-Jul-2025

(BOS) Boston Logan International Airport

Boston, MA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
38
64%
Late
8
14%
Very Late
4
7%
Excessive
8
14%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
27
Codeshares
59
Average Delay (min.)
36.03703703703704
Standard Deviation
29.1
Min
0
Max
102

TP 4399 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 64%
Average Delay Time 36.03703703703704 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 64%
This flight has an on-time performance of 64%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 7% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 36.03703703703704 min
This flight has an average delay of 36.03703703703704 minutes with a standard deviation of 29.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.