Flights on SFO–BOS arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
Median delayon timetypical arrival
p90 delay45 min1 in 10 flights is worsetail risk
Cancelled0.5%of scheduled flights
based on 4,529 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time78%Medianon timep9040 minCancel0.6%Flights863
- JetBlue AirwaysOn-time78%Medianon timep9055 minCancel0.8%Flights1,553
- United AirlinesbestOn-time81%Medianon timep9045 minCancel0.2%Flights1,772
- Alaska AirlinesOn-time78%Medianon timep9025 minCancel0.3%Flights341
Why flights run late
Delay causes
- Airline21%
- Weather1%
- Air traffic (NAS)44%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
Over time
On-time trend
By season
On-time rate by month
Advertisement
Keep exploring