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ATIS Alerts Smart Flight Search

Find the flight least likely to be delayed

Beta

We rank real flight numbers by how often they flew and arrived on time over the last 12 months, adjusted for your travel month and departure time, then check nearby airports and calmer connections. US airlines and airports.

SLC → ATL

Salt Lake City to Atlanta: 2,971 nonstop flights a year

On time (12 months)

86%

Cancelled

0.6%

avg delay 10 min

Best time to leave

Before 9 AM

93% on time vs 82% 3 to 6 PM

Most reliable airline

Delta

86% chance on time

Check SLC to ATL fares

Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Best trips

8 nonstop, 36 with 1 connection. Best overall weighs the chance you arrive on time as booked, connection odds, travel time and separate tickets.

  1. Best overall#1 · Nonstop · 3h 40m

    7:00 AM → 12:44 PM

    94%

    arrive on time

    7:00 AM SLC → 12:44 PM ATL3h 40m

    Delta 907

    Boeing 767-300ER or Airbus A321 · 3–29 yrs old
    94% on time · 0.4% cancel
    Find Delta 907 fares Opens this date on Aviasales

  2. #2 · Nonstop · 3h 45m

    8:00 AM → 1:46 PM

    92%

    arrive on time

    8:00 AM SLC → 1:46 PM ATL3h 45m

    Delta 897

    Airbus A321 or A321neo · 1–12 yrs old
    92% on time · 0.6% cancel
    Find Delta 897 fares Opens this date on Aviasales

  3. #3 · Nonstop · 3h 38m

    9:59 AM → 3:44 PM

    86%

    arrive on time

    9:59 AM SLC → 3:44 PM ATL3h 38m

    Delta 835

    Airbus A321 or Boeing 767-300ER · 5–29 yrs old
    86% on time · 0.8% cancel
    Find Delta 835 fares Opens this date on Aviasales

  4. #4 · Nonstop · 3h 36m

    1:55 PM → 7:29 PM

    84%

    arrive on time

    1:55 PM SLC → 7:29 PM ATL3h 36m

    Delta 906

    Airbus A321neo or A321 · 1–7 yrs old
    84% on time · 0.6% cancel
    Find Delta 906 fares Opens this date on Aviasales

  5. #5 · Nonstop · 3h 36m

    10:59 AM → 4:33 PM

    82%

    arrive on time

    10:59 AM SLC → 4:33 PM ATL3h 36m

    Delta 885

    Airbus A321neo · 1–4 yrs old
    83% on time · 0.7% cancel
    Find Delta 885 fares Opens this date on Aviasales

  6. #6 · Nonstop · 3h 40m

    11:25 PM → 5:05 AM

    83%

    arrive on time

    11:25 PM SLC → 5:05 AM ATL3h 40m

    Delta 912

    Airbus A321 or A321neo · 1–8 yrs old
    83% on time · 0.7% cancel
    Find Delta 912 fares Opens this date on Aviasales

  7. #7 · Nonstop · 3h 44m

    3:29 PM → 9:13 PM

    83%

    arrive on time

    3:29 PM SLC → 9:13 PM ATL3h 44m

    Delta 875

    Airbus A321neo or A321 · 1–7 yrs old
    83% on time · 0.2% cancel
    Find Delta 875 fares Opens this date on Aviasales

  8. #8 · Nonstop · 3h 41m

    5:55 PM → 11:43 PM

    81%

    arrive on time

    5:55 PM SLC → 11:43 PM ATL3h 41m

    Delta 905

    Airbus A321neo or A321 · 2–28 yrs old
    81% on time · 0.4% cancel
    Find Delta 905 fares Opens this date on Aviasales

  9. #9 · 1 connection · 7h 04m · one ticket (Delta)

    7:50 AM → 4:55 PM

    96%

    connections made

    88%

    arrive on time

    7:50 AM SLC → 8:20 AM LAS1h 29m

    Delta 1698

    Boeing 737-900ER or Airbus A321neo · 3–12 yrs old
    93% on time · 0.8% cancel
    Connect in LAS · 1h 43m · 98% chance to make it · same ticket: the airline rebooks you if you miss it

    10:03 AM LAS → 4:55 PM ATL3h 52m

    Delta 927

    Boeing 737-900ER or 757-200 · 4–29 yrs old
    92% on time · 0.9% cancel
    Find this Delta trip Look for Delta 1698 + Delta 927 on Aviasales

  10. #10 · 1 connection · 7h 30m · one ticket (Southwest)

    8:40 PM → 6:10 AM

    96%

    connections made

    86%

    arrive on time

    8:40 PM SLC → 9:10 PM LAS1h 30m

    Southwest 4297

    Boeing 737 MAX 8 or 737-700 · 4–22 yrs old
    72% on time · 0.4% cancel
    Connect in LAS · 2h 10m · 97% chance to make it · same ticket: the airline rebooks you if you miss it

    11:20 PM LAS → 6:10 AM ATL3h 50m

    Southwest 2535

    Boeing 737-700 · 17–23 yrs old
    89% on time · 0.6% cancel
    Find this Southwest trip Look for Southwest 4297 + Southwest 2535 on Aviasales

Aircraft and ages come from the planes each flight number actually flew in the last 3 months of data (FAA registry build years); airlines can swap planes.

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Delta Air Lines86%

    2,965 flights · 86% on time as flown · 0.6% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

  • Before 9 AM93%

    735 flights · avg delay 5 min

  • 9 AM to noon85%

    734 flights · avg delay 11 min

  • Noon to 3 PM85%

    387 flights · avg delay 12 min

  • 3 to 6 PM82%

    737 flights · avg delay 15 min

  • After 9 PM83%

    376 flights · avg delay 8 min

Best day: Wednesday (87%). Worst: Sunday (83%).

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure