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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.

ATL → LAX

Atlanta to Los Angeles: 5,097 nonstop flights a year

On time (12 months)

78%

Cancelled

1.0%

avg delay 16 min

Best time to leave

Before 9 AM

87% on time vs 66% after 9 PM

Most reliable airline

Spirit

82% chance on time

Check ATL to LAX fares

Lowest nonstop fare seen in the next two months: $90 (Frontier 3215 on 2026-10-31). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Best trips

10 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 · 4h 55m

    7:25 AM → 9:36 AM

    88%

    arrive on time

    7:25 AM ATL → 9:36 AM LAX4h 55m

    Delta 996

    Airbus A321 or A321neo · 1–26 yrs old
    89% on time · 0.6% cancel
    Find Delta 996 fares Opens this date on Aviasales

  2. #2 · Nonstop · 4h 49m

    11:30 AM → 1:19 PM

    87%

    arrive on time

    11:30 AM ATL → 1:19 PM LAX4h 49m

    Delta 673

    Airbus A321 · 5–7 yrs old
    87% on time · 0.5% cancel
    Find Delta 673 fares Opens this date on Aviasales

  3. #3 · Nonstop · 4h 55m

    8:55 AM → 11:00 AM

    87%

    arrive on time

    8:55 AM ATL → 11:00 AM LAX4h 55m

    Delta 898

    Boeing 767-300ER or 767-400ER · 2–31 yrs old
    87% on time · 0.4% cancel
    Find Delta 898 fares Opens this date on Aviasales

  4. #4 · Nonstop · 4h 54m

    11:20 AM → 1:24 PM

    85%

    arrive on time

    11:20 AM ATL → 1:24 PM LAX4h 54m

    Delta 895

    Boeing 737-900ER or 767-300ER · 6–29 yrs old
    86% on time · 0.4% cancel
    Find Delta 895 fares Opens this date on Aviasales

  5. #5 · Nonstop · 4h 55m

    10:25 AM → 12:10 PM

    85%

    arrive on time

    10:25 AM ATL → 12:10 PM LAX4h 55m

    Delta 501

    Boeing 767-300ER or Airbus A321 · 5–30 yrs old
    86% on time · 0.8% cancel
    Find Delta 501 fares Opens this date on Aviasales

  6. #6 · Nonstop · 4h 54m

    2:05 PM → 3:54 PM

    83%

    arrive on time

    2:05 PM ATL → 3:54 PM LAX4h 54m

    Delta 753

    Airbus A321 or A321neo · 3–29 yrs old
    84% on time · 0.9% cancel
    Find Delta 753 fares Opens this date on Aviasales

  7. #7 · Nonstop · 4h 48m

    9:10 AM → 10:58 AM

    81%

    arrive on time

    9:10 AM ATL → 10:58 AM LAX4h 48m

    Delta 827

    Airbus A321 or A321neo · 1–7 yrs old
    82% on time · 1.2% cancel
    Find Delta 827 fares Opens this date on Aviasales

  8. #8 · Nonstop · 4h 56m

    3:30 PM → 5:21 PM

    81%

    arrive on time

    3:30 PM ATL → 5:21 PM LAX4h 56m

    Delta 1219

    Airbus A321neo · 1–4 yrs old
    81% on time · 0.4% cancel
    Find Delta 1219 fares Opens this date on Aviasales

  9. #9 · 1 connection · 8h 43m · one ticket (Delta)

    3:15 PM → 9:00 PM

    97%

    connections made

    93%

    arrive on time

    3:15 PM ATL → 5:28 PM SLC4h 11m

    Delta 526

    Airbus A321 or A321neo · 1–7 yrs old
    79% on time · 0.1% cancel
    Connect in SLC · 2h 17m · 98% chance to make it · same ticket: the airline rebooks you if you miss it

    7:45 PM SLC → 9:00 PM LAX2h 15m

    SkyWest 6277 · sold as Delta Connection

    Embraer E175 · about 5 yrs old
    95% on time · 0.1% cancel
    Find this Delta trip Look for Delta 526 + SkyWest 6277 on Aviasales

  10. #10 · 1 connection · 7h 18m · one ticket (Delta)

    8:56 AM → 1:18 PM

    96%

    connections made

    88%

    arrive on time

    8:56 AM ATL → 10:23 AM ABQ3h 23m

    Delta 1004

    Boeing 737-900ER · 7–12 yrs old
    92% on time · 1.5% cancel
    Connect in ABQ · 1h 42m · 98% chance to make it · same ticket: the airline rebooks you if you miss it

    12:05 PM ABQ → 1:18 PM LAX2h 13m

    SkyWest 4108 · sold as Delta Connection · also flew as 4887, 3914

    Embraer E175 · 4–24 yrs old
    91% on time · 0.2% cancel
    Find this Delta trip Look for Delta 1004 + SkyWest 4108 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.

  • Spirit Airlines82%

    331 flights · 84% on time as flown · 0.9% cancel

  • Delta Air Lines78%

    3,875 flights · 79% on time as flown · 0.9% cancel

  • American Airlines74%

    380 flights · 74% on time as flown · 0.7% cancel

  • Frontier Airlines67%

    511 flights · 67% on time as flown · 2.2% cancel

On time by departure time

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

  • Before 9 AM87%

    933 flights · avg delay 7 min

  • 9 AM to noon82%

    1,190 flights · avg delay 13 min

  • Noon to 3 PM84%

    624 flights · avg delay 9 min

  • 3 to 6 PM71%

    906 flights · avg delay 22 min

  • 6 to 9 PM70%

    957 flights · avg delay 21 min

  • After 9 PM66%

    487 flights · avg delay 24 min

Best day: Wednesday (80%). Worst: Sunday (74%).

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