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(SQ) Singapore Airlines 1399 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(PDX) Portland International Airport

Portland, OR, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
44
77%
Late
8
14%
Very Late
1
2%
Excessive
4
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
26
Codeshares
57
Average Delay (min.)
21.115384615384617
Standard Deviation
17.1
Min
0
Max
65

SQ 1399 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 77%
Average Delay Time 21.115384615384617 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 79% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 21.115384615384617 min
This flight has an average delay of 21.115384615384617 minutes with a standard deviation of 17.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.