Historical on-time performance
Atlanta to Sacramento
2,092 miData through Dec 2025Source: US DOT · BTS
Flights on ATL–SMF arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.1%of scheduled flights
based on 1,002 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time79%Medianon timep9035 minCancel1.1%Flights1,002
Why flights run late
Delay causes
- Airline42%
- Weather19%
- Air traffic (NAS)21%
- Late aircraft18%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ATL → 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 77% to 87% on time.
- Mornings87% on time · p90 15 min · 1,096 flights
- Afternoons84% on time · p90 25 min · 322 flights
- Evenings80% on time · p90 30 min · 927 flights
- Overnights77% on time · p90 40 min · 545 flights
Best day of week
Wednesdays are the most reliable day to fly this route — 89% on time.
- Wednesdays89% on time · p90 15 min · 401 flights
- Thursdays85% on time · p90 25 min · 445 flights
- Tuesdays82% on time · p90 25 min · 390 flights
- Sundays81% on time · p90 35 min · 443 flights
- Fridays81% on time · p90 30 min · 448 flights
- Mondays80% on time · p90 30 min · 441 flights
- Saturdays79% on time · p90 35 min · 325 flights
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