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Route Reliability

Salt Lake City → Atlanta

SLC–ATL · 1,590 miles · Salt Lake City International Airport to Hartsfield–Jackson Atlanta International Airport

91
Nerd Approved
WanderNerd Reliability Score
87%
Arrive within 15 minutes
1 min early
Average arrival delay
0.6%
Cancelled
2,971
Flights in the data

Data through May 2026.

Airlines on this route

  • Delta Air Lines87% on time · 2,965 flights
  • Frontier Airlines50% on time · 6 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

The 6–9 AM departure wins.

SLC–ATL flights departing between 6–9 AM arrived on time 94% of the time, versus 80% between 12–3 AM.

Wednesday comes out ahead.

A small edge: 89% on time on Wednesdays against 84% on Thursdays.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon88%(428 flights)
  • Tue89%(421 flights)
  • Wed89%(416 flights)
  • Thu84%(414 flights)
  • Fri86%(411 flights)
  • Sat85%(432 flights)
  • Sun86%(425 flights)
On-time by departure window
  • 12–3 AM80%(10 flights)
  • 6–9 AM94%(731 flights)
  • 9 AM–12 PM85%(727 flights)
  • 12–3 PM85%(380 flights)
  • 3–6 PM83%(736 flights)
  • 6–9 PM—(1 flights)
  • 9 PM–12 AM84%(362 flights)
On-time trend by month
87%
May

Jun 74% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%238
July 202583%247
August 202584%248
September 202592%241
October 202592%253
November 202587%240
December 202589%251
January 202686%252
February 202692%228
March 202686%249
April 202688%251
May 202687%249

Keep nerding

Based on 2,971 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.