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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.

HOU → LGB

Houston to Long Beach: 503 nonstop flights a year

On time (12 months)

84%

Cancelled

0.6%

avg delay 8 min

Best time to leave

Before 9 AM

91% on time vs 73% noon to 3 PM

Most reliable airline

Southwest

83% chance on time

Check HOU to LGB fares

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

Best trips

3 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 · 3h 45m

    8:20 AM → 10:05 AM

    90%

    arrive on time

    8:20 AM HOU → 10:05 AM LGB3h 45m

    Southwest 3851

    Boeing 737-700 · 15–22 yrs old
    91% on time · 0.6% cancel
    Find Southwest 3851 fares Opens this date on Aviasales

  2. #2 · Nonstop · 3h 30m

    8:10 AM → 9:40 AM

    85%

    arrive on time

    8:10 AM HOU → 9:40 AM LGB3h 30m

    Southwest 3172

    Boeing 737 MAX 8 or 737-800 · 1–17 yrs old
    86% on time · 0.9% cancel
    Find Southwest 3172 fares Opens this date on Aviasales

  3. #3 · 1 connection · 6h 15m · one ticket (Southwest)

    5:40 AM → 9:55 AM

    96%

    connections made

    88%

    arrive on time

    5:40 AM HOU → 6:35 AM PHX2h 55m

    Southwest 3458

    Boeing 737 MAX 8 or 737-800 · 2–12 yrs old
    92% on time · 0.5% cancel
    Connect in PHX · 1h 45m · 97% chance to make it · same ticket: the airline rebooks you if you miss it

    8:20 AM PHX → 9:55 AM LGB1h 35m

    Southwest 2161

    Boeing 737-700 · 5–23 yrs old
    92% on time · 0.4% cancel
    Find this Southwest trip Look for Southwest 3458 + Southwest 2161 on Aviasales

  4. #4 · 1 connection · 6h 00m · one ticket (Southwest)

    5:40 AM → 9:40 AM

    95%

    connections made

    87%

    arrive on time

    5:40 AM HOU → 6:35 AM PHX2h 55m

    Southwest 3458

    Boeing 737 MAX 8 or 737-800 · 2–12 yrs old
    92% on time · 0.5% cancel
    Connect in PHX · 1h 30m · 96% chance to make it · same ticket: the airline rebooks you if you miss it

    8:05 AM PHX → 9:40 AM LGB1h 35m

    Southwest 1675

    Boeing 737-700 or 737 MAX 8 · 3–21 yrs old
    92% on time · 0.3% cancel
    Find this Southwest trip Look for Southwest 3458 + Southwest 1675 on Aviasales

  5. #5 · 1 connection · 6h 30m · one ticket (Southwest)

    6:15 AM → 10:45 AM

    97%

    connections made

    88%

    arrive on time

    6:15 AM HOU → 7:05 AM PHX2h 50m

    Southwest 2394

    Boeing 737-800 or 737-700 · 3–20 yrs old
    94% on time · 0.4% cancel
    Connect in PHX · 2h 10m · 98% chance to make it · same ticket: the airline rebooks you if you miss it

    9:15 AM PHX → 10:45 AM LGB1h 30m

    Southwest 3473

    Boeing 737-700 · 18–22 yrs old
    90% on time · 0.4% cancel
    Find this Southwest trip Look for Southwest 2394 + Southwest 3473 on Aviasales

  6. #6 · 1 connection · 5h 40m · one ticket (Southwest)

    6:15 AM → 9:55 AM

    93%

    connections made

    85%

    arrive on time

    6:15 AM HOU → 7:05 AM PHX2h 50m

    Southwest 2394

    Boeing 737-800 or 737-700 · 3–20 yrs old
    94% on time · 0.4% cancel
    Connect in PHX · 1h 15m · 94% chance to make it · same ticket: the airline rebooks you if you miss it

    8:20 AM PHX → 9:55 AM LGB1h 35m

    Southwest 2161

    Boeing 737-700 · 5–23 yrs old
    92% on time · 0.4% cancel
    Find this Southwest trip Look for Southwest 2394 + Southwest 2161 on Aviasales

  7. #7 · 1 connection · 7h 05m · one ticket (Southwest)

    5:40 AM → 10:45 AM

    98%

    connections made

    88%

    arrive on time

    5:40 AM HOU → 6:35 AM PHX2h 55m

    Southwest 3458

    Boeing 737 MAX 8 or 737-800 · 2–12 yrs old
    92% on time · 0.5% cancel
    Connect in PHX · 2h 40m · 99% chance to make it · same ticket: the airline rebooks you if you miss it

    9:15 AM PHX → 10:45 AM LGB1h 30m

    Southwest 3473

    Boeing 737-700 · 18–22 yrs old
    90% on time · 0.4% cancel
    Find this Southwest trip Look for Southwest 3458 + Southwest 3473 on Aviasales

  8. #8 · Nonstop · 3h 40m

    12:40 PM → 2:20 PM

    75%

    arrive on time

    12:40 PM HOU → 2:20 PM LGB3h 40m

    Southwest 3212

    Boeing 737 MAX 8 · 2–9 yrs old
    76% on time · 0.5% cancel
    Find Southwest 3212 fares Opens this date on Aviasales

  9. #9 · 1 connection · 6h 20m · one ticket (Southwest)

    8:05 AM → 12:25 PM

    91%

    connections made

    85%

    arrive on time

    8:05 AM HOU → 10:10 AM SJC4h 05m

    Southwest 2727 · also flew as 894

    Boeing 737-800 or 737 MAX 8 · 2–12 yrs old
    94% on time · 0.0% cancel
    Connect in SJC · 55m · 91% chance to make it · same ticket: the airline rebooks you if you miss it

    11:05 AM SJC → 12:25 PM LGB1h 20m

    Southwest 4248

    Boeing 737 MAX 8 or 737-700 · 4–22 yrs old
    93% on time · 0.1% cancel
    Find this Southwest trip Look for Southwest 2727 + Southwest 4248 on Aviasales

  10. #10 · 1 connection · 5h 25m · one ticket (Southwest)

    6:15 AM → 9:40 AM

    88%

    connections made

    81%

    arrive on time

    6:15 AM HOU → 7:05 AM PHX2h 50m

    Southwest 2394

    Boeing 737-800 or 737-700 · 3–20 yrs old
    94% on time · 0.4% cancel
    Connect in PHX · 1h 00m · 89% chance to make it · same ticket: the airline rebooks you if you miss it

    8:05 AM PHX → 9:40 AM LGB1h 35m

    Southwest 1675

    Boeing 737-700 or 737 MAX 8 · 3–21 yrs old
    92% on time · 0.3% cancel
    Find this Southwest trip Look for Southwest 2394 + Southwest 1675 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.

  • Southwest Airlines83%

    503 flights · 84% on time as flown · 0.6% cancel

On time by departure time

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

  • Before 9 AM91%

    189 flights · avg delay 4 min

  • 9 AM to noon81%

    43 flights · avg delay 8 min

  • Noon to 3 PM73%

    64 flights · avg delay 12 min

  • 3 to 6 PM78%

    80 flights · avg delay 12 min

  • 6 to 9 PM82%

    127 flights · avg delay 9 min

Best day: Tuesday (88%). Worst: Saturday (81%).

Smarter routing

Nearby airports that run more on time

  • IAH → SNA 87% chance on time

    George Bush Intercontinental Airport to John Wayne Orange County International Airport · 1,094 flights a year · 43 mi from your airports · yours: 83%

    Rank flightsFares

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