Salt Lake City (SLC) to Atlanta (ATL): On-Time Performance
Data through July 2026
Salt Lake City (SLC) to Atlanta (ATL) effectively runs on two schedules. In October 2025, 92% of arrivals were on time; in July 2026 that fell to 72% — a 20-point seasonal swing. Across the full period the route averages 85% on-time against a national 78%.
- On-time
- 85%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 8.1
- last 12 months
- Duration
- 3h 44m
- scheduled
- Distance
- 1,590 mi
Monthly on-time trend
Best time to fly from SLC to ATL
Aim for departures around 12 p.m. (94% on-time); avoid 3 p.m. departures (81%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 85% | 13 min |
| Tuesday | 87% | 8 min |
| Wednesdaybest | 88% | 7 min |
| Thursday | 85% | 12 min |
| Friday | 83% | 12 min |
| Saturday | 82% | 12 min |
| Sunday | 83% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft24%
- Airline operations58%
- National airspace system14%
- Weather4%
Frequently asked questions
- How often are flights from SLC to ATL delayed?
- 15% of SLC–ATL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 11 minutes.
- What is the best time of day to fly from SLC to ATL?
- Departures around 12 p.m. have the best record (94% on-time), while departures around 3 p.m. have the worst (81%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SLC to ATL?
- The scheduled SLC–ATL flight time averages 3h 44m over 1,590 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
- How often are SLC to ATL flights cancelled?
- 0.7% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from SLC to ATL?
- July 2026 was the roughest month in this dataset, with only 72% of arrivals on time. The best was October 2025 at 92%. If your dates are flexible, that 20-point gap is worth planning around.
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Based on 6,157 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.