Historical on-time performance
Washington to San Diego
2,276 miData through May 2026Source: US DOT · BTS
Flights on DCA–SAN arrive on time 67% of the time over the last 12 months.
On-time rate67%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled1.6%of scheduled flights
based on 307 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Alaska AirlinesOn-time67%Median5 minp9040 minCancel1.6%Flights307
Why flights run late
Delay causes
- Airline34%
- Weather14%
- Air traffic (NAS)52%
- Late aircraft0%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline20%
- Weather80%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 5 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
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