Historical on-time performance
Newark to Sacramento
2,500 miData through May 2026Source: US DOT · BTS
Flights on EWR–SMF arrive on time 68% of the time over the last 12 months.
On-time rate68%arrived within 15 min
p90 delay75 min1 in 10 flights is worse (tail risk)
Cancelled1.5%of scheduled flights
based on 275 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time68%Medianon timep9075 minCancel1.5%Flights275
Why flights run late
Delay causes
- Airline27%
- Weather4%
- Air traffic (NAS)25%
- Late aircraft44%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline25%
- Weather75%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 4 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly EWR → SMF
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best day of week
On-time rates are fairly even by day on this route — ranging from 59% to 75% on time.
- Tuesdays75% on time · p90 45 min · 120 flights · limited
- Saturdays70% on time · p90 100 min · 121 flights · limited
- Wednesdays65% on time · p90 90 min · 120 flights · limited
- Thursdays64% on time · p90 90 min · 121 flights · limited
- Sundays63% on time · p90 75 min · 124 flights · limited
- Mondays62% on time · p90 90 min · 123 flights · limited
- Fridays59% on time · p90 80 min · 121 flights · limited
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