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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 → STS

Los Angeles to Santa Rosa: 691 nonstop flights a year

On time (12 months)

87%

Cancelled

2.5%

avg delay 11 min

Best time to leave

3 to 6 PM

90% on time vs 85% before 9 AM

Most reliable airline

SkyWest

84% chance on time

Check LAX to STS fares

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

Best trips

5 nonstop, 12 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 · 1h 46m

    5:27 PM → 7:13 PM

    89%

    arrive on time

    5:27 PM LAX → 7:13 PM STS1h 46m

    SkyWest 3009 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–10 yrs old
    91% on time · 2.0% cancel
    Find 5:27 PM flight fares Opens this date on Aviasales

  2. #2 · Nonstop · 1h 37m

    7:45 PM → 9:22 PM

    87%

    arrive on time

    7:45 PM LAX → 9:22 PM STS1h 37m

    Alaska 1316

    Boeing 737-800 · 15–20 yrs old
    89% on time · 2.2% cancel
    Find Alaska 1316 fares Opens this date on Aviasales

  3. #3 · Nonstop · 1h 52m

    8:09 AM → 10:01 AM

    88%

    arrive on time

    8:09 AM LAX → 10:01 AM STS1h 52m

    SkyWest 3340 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–10 yrs old
    90% on time · 2.0% cancel
    Find 8:09 AM flight fares Opens this date on Aviasales

  4. #4 · Nonstop · 1h 52m

    8:19 AM → 10:11 AM

    84%

    arrive on time

    8:19 AM LAX → 10:11 AM STS1h 52m

    SkyWest 3377 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–10 yrs old
    85% on time · 1.3% cancel
    Find 8:19 AM flight fares Opens this date on Aviasales

  5. #5 · Nonstop · 1h 46m

    10:13 PM → 11:59 PM

    79%

    arrive on time

    10:13 PM LAX → 11:59 PM STS1h 46m

    SkyWest 3348 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–11 yrs old
    85% on time · 6.8% cancel
    Find 10:13 PM flight fares Opens this date on Aviasales

  6. #6 · 1 connection · 5h 00m · one ticket

    2:05 PM → 7:05 PM

    94%

    connections made

    79%

    arrive on time

    2:05 PM LAX → 2:57 PM SAN52m

    SkyWest 3601 · sold as United Express, Delta Connection, American Eagle or Alaska · also flew as 4001

    Embraer E175 · 4–10 yrs old
    84% on time · 0.6% cancel
    Connect in SAN · 2h 09m · 97% chance to make it · same ticket: the airline rebooks you if you miss it

    5:06 PM SAN → 7:05 PM STS1h 59m

    SkyWest 3046 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–11 yrs old
    84% on time · 2.8% cancel
    Find this one-ticket trip Look for SkyWest 3601 + SkyWest 3046 on Aviasales

  7. #7 · 1 connection · 4h 56m · one ticket

    9:17 AM → 2:13 PM

    93%

    connections made

    76%

    arrive on time

    9:17 AM LAX → 10:20 AM SAN1h 03m

    SkyWest 4643 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 6–7 yrs old
    89% on time · 1.7% cancel
    Connect in SAN · 1h 52m · 97% chance to make it · same ticket: the airline rebooks you if you miss it

    12:12 PM SAN → 2:13 PM STS2h 01m

    SkyWest 3225 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–10 yrs old
    82% on time · 3.0% cancel
    Find this one-ticket trip Look for SkyWest 4643 + SkyWest 3225 on Aviasales

  8. #8 · 1 connection · 4h 48m · one ticket

    9:25 AM → 2:13 PM

    92%

    connections made

    75%

    arrive on time

    9:25 AM LAX → 10:19 AM SAN54m

    SkyWest 3716 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 6–8 yrs old
    81% on time · 0.9% cancel
    Connect in SAN · 1h 53m · 96% chance to make it · same ticket: the airline rebooks you if you miss it

    12:12 PM SAN → 2:13 PM STS2h 01m

    SkyWest 3225 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–10 yrs old
    82% on time · 3.0% cancel
    Find this one-ticket trip Look for SkyWest 3716 + SkyWest 3225 on Aviasales

  9. #9 · 1 connection · 5h 46m · one ticket

    8:28 AM → 2:13 PM

    94%

    connections made

    77%

    arrive on time

    8:28 AM LAX → 9:24 AM SAN57m

    SkyWest 4018 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–10 yrs old
    86% on time · 1.1% cancel
    Connect in SAN · 2h 48m · 98% chance to make it · same ticket: the airline rebooks you if you miss it

    12:12 PM SAN → 2:13 PM STS2h 01m

    SkyWest 3225 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–10 yrs old
    82% on time · 3.0% cancel
    Find this one-ticket trip Look for SkyWest 4018 + SkyWest 3225 on Aviasales

  10. #10 · 1 connection · 6h 02m · one ticket

    5:11 PM → 11:13 PM

    93%

    connections made

    74%

    arrive on time

    5:11 PM LAX → 6:03 PM SAN52m

    SkyWest 4087 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–10 yrs old
    82% on time · 0.7% cancel
    Connect in SAN · 3h 11m · 99% chance to make it · same ticket: the airline rebooks you if you miss it

    9:14 PM SAN → 11:13 PM STS1h 59m

    SkyWest 3302 · sold as United Express, Delta Connection, American Eagle or Alaska

    Embraer E175 · 4–11 yrs old
    80% on time · 6.0% cancel
    Find this one-ticket trip Look for SkyWest 4087 + SkyWest 3302 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.

  • SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)84%

    672 flights · 87% on time as flown · 2.5% cancel

On time by departure time

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

  • Before 9 AM85%

    162 flights · avg delay 11 min

  • 9 AM to noon87%

    183 flights · avg delay 8 min

  • 3 to 6 PM90%

    94 flights · avg delay 6 min

  • After 9 PM85%

    223 flights · avg delay 17 min

Best day: Tuesday (89%). Worst: Monday (78%).

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