Historical on-time performance
Boston to Dallas
1,554 miData through May 2026Source: US DOT · BTS
Flights on BOS–DAL arrive on time 52% of the time over the last 12 months.
On-time rate52%arrived within 15 min
p90 delay85 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 122 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time52%Median10 minp9085 minCancel0.0%Flights122
Why flights run late
Delay causes
- Airline22%
- Weather0%
- Air traffic (NAS)19%
- Late aircraft59%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline19%
- Weather67%
- Air traffic (NAS)14%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 21 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
Keep exploring