SLC to ATL flight delays & on-time performance
Nonstop flights from Salt Lake City International Airport to Hartsfield Jackson Atlanta International Airport · 1,590 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SLC or ATL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Salt Lake City (SLC) to Atlanta (ATL) arrived on time 87% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.6% were cancelled, and 5% arrived an hour or more late.
- Departures scheduled around 7am did best (93% on time); around 11am did worst (80%).
- Wednesday was the most reliable day to fly (91% on time) and Friday the least (85%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (58%).
Which airline is most on time from SLC to ATL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 87% | 0.6% | 10 min | 4.5% | 2,966 |
| Frontier Airlines | 50% | 0.0% | 177 min | 33.3% | 6 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am100%34 flights
- 7am93%337 flights
- 8am92%365 flights
- 9am85%355 flights
- 10am92%73 flights
- 11am80%306 flights
- 1pm85%349 flights
- 3pm83%369 flights
- 5pm84%362 flights
- 11pm87%365 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday87%0.7% cancelled
- Tuesday89%0.2% cancelled
- Wednesday91%0.2% cancelled
- Thursday85%0.0% cancelled
- Friday85%0.5% cancelled
- Saturday85%0.7% cancelled
- Sunday85%1.7% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)58%
- Late-arriving aircraft20%
- Air traffic control & airport congestion17%
- Extreme weather4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)59%
- Extreme weather41%
- Air traffic control & airport congestion0%
- Security0%
SLC to ATL: common questions
- How often are SLC to ATL flights on time?
- 87% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Salt Lake City to Atlanta cancelled?
- 0.6% of scheduled flights were cancelled (17 of 2,972).
- How long are typical delays?
- Across all flights the average arrival delay was 10 min (early arrivals count as zero). Flights that were late arrived 68 min behind schedule on average, and 4.6% of flights were an hour or more late.
- How long is taxi time at SLC?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ATL to SLC — 83% on time
More flights from Salt Lake City
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SLC → ATL, nonstop flights by US airlines that report to the DOT. How we calculate this.