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(SQ) Singapore Airlines 1550 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-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
37
66%
Late
3
5%
Very Late
5
9%
Excessive
8
14%
Cancelled
3
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
24
Codeshares
56
Average Delay (min.)
51.75
Standard Deviation
59.5
Min
0
Max
207

SQ 1550 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 66%
Average Delay Time 51.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 3% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 66%
This flight has an on-time performance of 66%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 51.75 min
This flight has an average delay of 51.75 minutes with a standard deviation of 59.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.