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(SQ) Singapore Airlines 1544 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-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
38
63%
Late
8
13%
Very Late
4
7%
Excessive
9
15%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
32
Codeshares
60
Average Delay (min.)
58.46875
Standard Deviation
154.7
Min
0
Max
889

SQ 1544 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 63%
Average Delay Time 58.46875 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 63%
This flight has an on-time performance of 63%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 58.46875 min
This flight has an average delay of 58.46875 minutes with a standard deviation of 154.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.