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(TP) TAP Air Portugal 4394 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
33
75%
Late
3
7%
Very Late
0
0%
Excessive
8
18%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
44
Total Delays ( > 1 min )
16
Codeshares
44
Average Delay (min.)
51.5
Standard Deviation
47.7
Min
0
Max
156

TP 4394 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 75%
Average Delay Time 51.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 19% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 of 5
Average
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 34% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 51.5 min
This flight has an average delay of 51.5 minutes with a standard deviation of 47.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 5% of other flights.