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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.

LAX → BOI

Los Angeles to Boise: 1,367 nonstop flights a year

On time (12 months)

90%

Cancelled

0.1%

avg delay 8 min

Best time to leave

Noon to 3 PM

98% on time vs 87% 3 to 6 PM

Most reliable airline

Alaska

91% chance on time

Check LAX to BOI fares

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

Best trips

5 nonstop, 37 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 · 2h 06m

    11:28 AM → 2:34 PM

    91%

    arrive on time

    11:28 AM LAX → 2:34 PM BOI2h 06m

    SkyWest 3773 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–19 yrs old
    91% on time · 0.1% cancel
    Find 11:28 AM flight fares Opens this date on Aviasales

  2. #2 · Nonstop · 2h 03m

    7:55 PM → 10:58 PM

    89%

    arrive on time

    7:55 PM LAX → 10:58 PM BOI2h 03m

    SkyWest 4148 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–10 yrs old
    89% on time · 0.0% cancel
    Find 7:55 PM flight fares Opens this date on Aviasales

  3. #3 · Nonstop · 2h 16m

    7:45 PM → 11:02 PM

    90%

    arrive on time

    7:45 PM LAX → 11:02 PM BOI2h 16m

    SkyWest 3394 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–11 yrs old
    90% on time · 0.0% cancel
    Find 7:45 PM flight fares Opens this date on Aviasales

  4. #4 · Nonstop · 2h 18m

    6:45 PM → 9:59 PM

    89%

    arrive on time

    6:45 PM LAX → 9:59 PM BOI2h 18m

    SkyWest 5363 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 5–12 yrs old
    89% on time · 0.0% cancel
    Find 6:45 PM flight fares Opens this date on Aviasales

  5. #5 · Nonstop · 2h 20m

    7:00 AM → 10:20 AM

    84%

    arrive on time

    7:00 AM LAX → 10:20 AM BOI2h 20m

    SkyWest 3082 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–11 yrs old
    84% on time · 0.1% cancel
    Find 7:00 AM flight fares Opens this date on Aviasales

  6. #6 · 1 connection · 5h 15m · one ticket (Delta)

    11:07 AM → 5:22 PM

    98%

    connections made

    91%

    arrive on time

    11:07 AM LAX → 1:57 PM SLC1h 50m

    Delta 1194

    Boeing 737-900ER or Airbus A321neo · 3–14 yrs old
    91% on time · 0.1% cancel
    Connect in SLC · 2h 08m · 98% chance to make it · same ticket: the airline rebooks you if you miss it

    4:05 PM SLC → 5:22 PM BOI1h 17m

    SkyWest 3594 · sold as Delta Connection · also flew as 3508

    Embraer E175 · 4–18 yrs old
    92% on time · 0.2% cancel
    Find this Delta trip Look for Delta 1194 + SkyWest 3594 on Aviasales

  7. #7 · 1 connection · 4h 26m · one ticket

    2:19 PM → 7:40 PM

    96%

    connections made

    88%

    arrive on time

    2:19 PM LAX → 3:32 PM SJC1h 18m

    SkyWest 3842 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–18 yrs old
    92% on time · 0.2% cancel
    Connect in SJC · 1h 29m · 97% chance to make it · same ticket: the airline rebooks you if you miss it

    5:01 PM SJC → 7:40 PM BOI1h 39m

    SkyWest 3423 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–11 yrs old
    91% on time · 0.2% cancel
    Find this one-ticket trip Look for SkyWest 3842 + SkyWest 3423 on Aviasales

  8. #8 · 1 connection · 5h 21m · one ticket (Delta)

    5:45 AM → 12:05 PM

    97%

    connections made

    90%

    arrive on time

    5:45 AM LAX → 8:39 AM SLC1h 55m

    Delta 2906

    Boeing 737-900ER or Airbus A321neo · 3–12 yrs old
    95% on time · 0.4% cancel
    Connect in SLC · 2h 06m · 98% chance to make it · same ticket: the airline rebooks you if you miss it

    10:45 AM SLC → 12:05 PM BOI1h 20m

    SkyWest 3509 · sold as Delta Connection

    Embraer E175 · 4–18 yrs old
    92% on time · 0.3% cancel
    Find this Delta trip Look for Delta 2906 + SkyWest 3509 on Aviasales

  9. #9 · 1 connection · 5h 47m · one ticket

    12:53 PM → 7:40 PM

    99%

    connections made

    90%

    arrive on time

    12:53 PM LAX → 2:09 PM SJC1h 16m

    SkyWest 3910 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 7–9 yrs old
    92% on time · 0.3% cancel
    Connect in SJC · 2h 52m · 100% chance to make it · same ticket: the airline rebooks you if you miss it

    5:01 PM SJC → 7:40 PM BOI1h 39m

    SkyWest 3423 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–11 yrs old
    91% on time · 0.2% cancel
    Find this one-ticket trip Look for SkyWest 3910 + SkyWest 3423 on Aviasales

  10. #10 · 1 connection · 4h 34m · one ticket

    4:10 PM → 9:44 PM

    95%

    connections made

    85%

    arrive on time

    4:10 PM LAX → 7:11 PM SLC2h 01m

    SkyWest 4938 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · about 5 yrs old
    91% on time · 0.0% cancel
    Connect in SLC · 1h 19m · 95% chance to make it · same ticket: the airline rebooks you if you miss it

    8:30 PM SLC → 9:44 PM BOI1h 14m

    SkyWest 4446 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–19 yrs old
    90% on time · 0.3% cancel
    Find this one-ticket trip Look for SkyWest 4938 + SkyWest 4446 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.

  • Alaska Airlines91%

    31 flights · 94% on time as flown · 0.1% cancel

  • SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)90%

    1,336 flights · 90% on time as flown · 0.1% cancel

On time by departure time

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

  • 9 AM to noon89%

    343 flights · avg delay 6 min

  • Noon to 3 PM98%

    105 flights · avg delay 1 min

  • 3 to 6 PM87%

    75 flights · avg delay 14 min

  • 6 to 9 PM90%

    821 flights · avg delay 8 min

Best day: Tuesday (93%). Worst: Friday (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