Historical on-time performance
Newark to Sacramento
2,500 miData through Dec 2025Source: US DOT · BTS
Flights on EWR–SMF arrive on time 66% of the time over the last 12 months.
On-time rate66%arrived within 15 min
p90 delay90 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-time66%Medianon timep9090 minCancel1.5%Flights275
Why flights run late
Delay causes
- Airline23%
- Weather2%
- Air traffic (NAS)22%
- Late aircraft53%
- Security0%
Most delay minutes here are attributed to Late aircraft.
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 (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 63% to 64% on time.
- Evenings64% on time · p90 80 min · 863 flights
- Overnights63% on time · p90 95 min · 65 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 58% to 73% on time.
- Tuesdays73% on time · p90 40 min · 133 flights · limited
- Saturdays67% on time · p90 130 min · 132 flights · limited
- Wednesdays64% on time · p90 90 min · 133 flights · limited
- Mondays63% on time · p90 65 min · 135 flights · limited
- Sundays62% on time · p90 80 min · 135 flights · limited
- Thursdays61% on time · p90 100 min · 132 flights · limited
- Fridays58% on time · p90 90 min · 132 flights · limited
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