Historical on-time performance
San Jose to Atlanta
2,116 miData through Dec 2025Source: US DOT · BTS
Flights on SJC–ATL arrive on time 91% of the time over the last 12 months.
On-time rate91%arrived within 15 min
p90 delay5 min1 in 10 flights is worse (tail risk)
Cancelled1.2%of scheduled flights
based on 885 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time91%Medianon timep905 minCancel1.2%Flights885
Why flights run late
Delay causes
- Airline52%
- Weather7%
- Air traffic (NAS)16%
- Late aircraft24%
- 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 SJC → ATL
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 94% on time.
- Mornings94% on time · p90 on time · 962 flights
- Overnights90% on time · p90 10 min · 479 flights
- Middays89% on time · p90 10 min · 1,045 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 88% to 94% on time.
- Thursdays94% on time · p90 5 min · 390 flights
- Wednesdays94% on time · p90 5 min · 341 flights
- Tuesdays93% on time · p90 5 min · 338 flights
- Mondays91% on time · p90 5 min · 373 flights
- Saturdays89% on time · p90 10 min · 269 flights
- Sundays89% on time · p90 15 min · 383 flights
- Fridays88% on time · p90 15 min · 392 flights
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