Historical on-time performance
San Francisco to Atlanta
Flights on SFO–ATL arrive on time 81% of the time over the last 12 months.
based on 3,202 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- United AirlinesOn-time85%Medianon timep9025 minCancel0.2%Flights640
- Delta Air LinesOn-time82%Medianon timep9030 minCancel0.7%Flights2,409
- Frontier AirlinesOn-time51%Median10 minp90135 minCancel3.9%Flights153
Why flights run late
Delay causes
- Airline44%
- Weather1%
- Air traffic (NAS)12%
- Late aircraft43%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline52%
- Weather44%
- Air traffic (NAS)4%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 25 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 SFO → ATL
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 90% on time.
- Mornings90% on time · p90 10 min · 2,780 flights
- Middays78% on time · p90 35 min · 2,295 flights
- Afternoons78% on time · p90 40 min · 878 flights
- Overnights75% on time · p90 40 min · 3,761 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 83% on time.
- Saturdays83% on time · p90 20 min · 1,242 flights
- Tuesdays83% on time · p90 25 min · 1,283 flights
- Wednesdays83% on time · p90 25 min · 1,303 flights
- Thursdays80% on time · p90 35 min · 1,470 flights
- Mondays80% on time · p90 30 min · 1,486 flights
- Fridays78% on time · p90 40 min · 1,489 flights
- Sundays77% on time · p90 45 min · 1,478 flights
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