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(TP) TAP Air Portugal 4392 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(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
48
79%
Late
1
2%
Very Late
2
3%
Excessive
7
11%
Cancelled
2
3%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
14
Codeshares
60
Average Delay (min.)
67
Standard Deviation
60.9
Min
0
Max
181

TP 4392 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 80%
Average Delay Time 67 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 67 min
This flight has an average delay of 67 minutes with a standard deviation of 60.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.