Historical on-time performance
Salt Lake City to Atlanta
1,590 miData through May 2026Source: US DOT · BTS
Flights on SLC–ATL arrive on time 85% of the time over the last 12 months.
On-time rate85%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 2,965 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time85%Medianon timep9020 minCancel0.6%Flights2,965
Why flights run late
Delay causes
- Airline55%
- Weather3%
- Air traffic (NAS)16%
- Late aircraft26%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline41%
- Weather59%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 17 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 SLC → 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 · 3,235 flights
- Overnights85% on time · p90 25 min · 977 flights
- Middays84% on time · p90 25 min · 1,959 flights
- Early mornings81% on time · p90 25 min · 226 flights
- Afternoons80% on time · p90 35 min · 1,504 flights
- Evenings78% on time · p90 40 min · 1,110 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 82% to 87% on time.
- Wednesdays87% on time · p90 15 min · 1,271 flights
- Tuesdays87% on time · p90 20 min · 1,275 flights
- Mondays85% on time · p90 25 min · 1,315 flights
- Thursdays85% on time · p90 25 min · 1,275 flights
- Saturdays83% on time · p90 30 min · 1,296 flights
- Fridays83% on time · p90 30 min · 1,290 flights
- Sundays82% on time · p90 30 min · 1,289 flights
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