Historical on-time performance
Atlanta to San Francisco
Flights on ATL–SFO arrive on time 72% of the time over the last 12 months.
based on 3,205 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time79%Medianon timep9040 minCancel0.3%Flights640
- Delta Air LinesOn-time70%Medianon timep9050 minCancel0.7%Flights2,412
- Frontier AirlinesOn-time66%Medianon timep9070 minCancel2.0%Flights153
Why flights run late
Delay causes
- Airline42%
- Weather5%
- Air traffic (NAS)36%
- Late aircraft17%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline57%
- Weather39%
- Air traffic (NAS)4%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 23 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 ATL → SFO
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 67% to 79% on time.
- Mornings79% on time · p90 30 min · 2,293 flights
- Middays77% on time · p90 40 min · 1,549 flights
- Overnights71% on time · p90 50 min · 1,602 flights
- Afternoons71% on time · p90 50 min · 1,486 flights
- Evenings67% on time · p90 65 min · 2,827 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 78% on time.
- Tuesdays78% on time · p90 40 min · 1,287 flights
- Wednesdays78% on time · p90 35 min · 1,306 flights
- Saturdays73% on time · p90 40 min · 1,262 flights
- Thursdays73% on time · p90 50 min · 1,471 flights
- Mondays71% on time · p90 50 min · 1,484 flights
- Fridays70% on time · p90 55 min · 1,482 flights
- Sundays66% on time · p90 55 min · 1,465 flights
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