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Route on-time record

LGB to LAS: most on-time flights and the best time to fly

Long Beach (Long Beach International Airport) to Las Vegas (Harry Reid International Airport). 2,188 nonstop flights in Jun 2025 to May 2026, 81% arrived within 15 minutes and 0.5% were cancelled. The most reliable flight number was Southwest 3577 at 8:10 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

LGB → LAS

Long Beach to Las Vegas: 2,188 nonstop flights a year

On time (12 months)

81%

Cancelled

0.5%

avg delay 11 min

Best time to leave

Before 9 AM

95% on time vs 72% 6 to 9 PM

Most reliable airline

Southwest

81% chance on time

Check LGB to LAS fares

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

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

  1. #1 · Southwest 3577

    8:10 AM → 9:20 AM1h 10m nonstop

    Local times, typical schedule. Last flown 2026-04-05.

    93%

    chance on time

    On time (history)
    100%
    Cancelled
    0.0%
    Avg arrival delay
    0 min
    • Arrived on time 100% of the time (18 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 95% on time; 6 to 9 PM: 72%).
    • Short track record (18 flights), so its score leans on the airline's record at this hour.

    Limited track record · 18 flights

    Find Southwest 3577 fares Opens this date on Aviasales

  2. #2 · Southwest 3382

    7:15 AM → 8:25 AM1h 10m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    93%

    chance on time

    On time (history)
    100%
    Cancelled
    0.0%
    Avg arrival delay
    0 min
    • Arrived on time 100% of the time (15 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 95% on time; 6 to 9 PM: 72%).
    • Short track record (15 flights), so its score leans on the airline's record at this hour.

    Limited track record · 15 flights

    Find Southwest 3382 fares Opens this date on Aviasales

  3. #3 · Southwest 2759

    8:50 AM → 10:00 AM1h 10m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    93%

    chance on time

    On time (history)
    100%
    Cancelled
    0.0%
    Avg arrival delay
    1 min
    • Arrived on time 100% of the time (15 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 95% on time; 6 to 9 PM: 72%).
    • Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
    • Short track record (15 flights), so its score leans on the airline's record at this hour.

    Limited track record · 15 flights

    Find Southwest 2759 fares Opens this date on Aviasales

  4. #4 · Southwest 1739

    8:20 AM → 9:30 AM1h 10m nonstop

    Local times, typical schedule. Last flown 2026-05-30.

    93%

    chance on time

    On time (history)
    96%
    Cancelled
    2.1%
    Avg arrival delay
    2 min
    • Arrived on time 96% of the time (46 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 95% on time; 6 to 9 PM: 72%).
    • Short track record (46 flights), so its score leans on the airline's record at this hour.

    Limited track record · 46 flights

    Find Southwest 1739 fares Opens this date on Aviasales

  5. #5 · Southwest 1793

    6:55 AM → 8:05 AM1h 10m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    92%

    chance on time

    On time (history)
    96%
    Cancelled
    0.0%
    Avg arrival delay
    2 min
    • Arrived on time 96% of the time (46 flights, Jun 2025 to May 2026).
    • Never cancelled in 46 scheduled flights.
    • Leaves in this route's most on-time window (Before 9 AM: 95% on time; 6 to 9 PM: 72%).
    • Short track record (46 flights), so its score leans on the airline's record at this hour.

    Limited track record · 46 flights

    Find Southwest 1793 fares Opens this date on Aviasales

  6. #6 · Southwest 3026

    11:15 AM → 12:25 PM1h 10m nonstop

    Local times, typical schedule. Last flown 2026-05-27.

    87%

    chance on time

    On time (history)
    100%
    Cancelled
    0.0%
    Avg arrival delay
    0 min
    • Arrived on time 100% of the time (16 flights, Jun 2025 to May 2026).
    • Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
    • Short track record (16 flights), so its score leans on the airline's record at this hour.

    Limited track record · 16 flights

    Find Southwest 3026 fares Opens this date on Aviasales

  7. #7 · Southwest 3015

    9:35 AM → 10:45 AM1h 10m nonstop

    Local times, typical schedule. Last flown 2026-04-01.

    86%

    chance on time

    On time (history)
    88%
    Cancelled
    0.0%
    Avg arrival delay
    3 min
    • Arrived on time 88% of the time (8 flights, Jun 2025 to May 2026).
    • Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
    • Short track record (8 flights), so its score leans on the airline's record at this hour.

    Limited track record · 8 flights

    Find Southwest 3015 fares Opens this date on Aviasales

  8. #8 · Southwest 1149

    5:30 PM → 6:45 PM1h 15m nonstop

    Local times, typical schedule. Last flown 2026-05-29.

    82%

    chance on time

    On time (history)
    87%
    Cancelled
    0.0%
    Avg arrival delay
    10 min
    • Arrived on time 87% of the time (39 flights, Jun 2025 to May 2026).
    • Never cancelled in 39 scheduled flights.
    • Short track record (39 flights), so its score leans on the airline's record at this hour.

    Limited track record · 39 flights

    Find Southwest 1149 fares Opens this date on Aviasales

  9. #9 · Southwest 1087

    5:50 PM → 7:00 PM1h 10m nonstop

    Local times, typical schedule. Last flown 2026-05-30.

    80%

    chance on time

    On time (history)
    100%
    Cancelled
    0.0%
    Avg arrival delay
    3 min
    • Arrived on time 100% of the time (8 flights, Jun 2025 to May 2026).
    • Short track record (8 flights), so its score leans on the airline's record at this hour.

    Limited track record · 8 flights

    Find Southwest 1087 fares Opens this date on Aviasales

  10. #10 · Southwest 3698

    10:40 AM → 11:55 AM1h 15m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    78%

    chance on time

    On time (history)
    74%
    Cancelled
    0.0%
    Avg arrival delay
    16 min
    • Arrived on time 74% of the time (23 flights, Jun 2025 to May 2026).
    • Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
    • 73% of its delay minutes came from the plane arriving late from an earlier flight.
    • Short track record (23 flights), so its score leans on the airline's record at this hour.

    Limited track record · 23 flights

    Find Southwest 3698 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Southwest Airlines81%

    2,188 flights · 81% on time as flown · 0.5% cancel

On time by departure time

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

  • Before 9 AM95%

    526 flights · avg delay 3 min

  • 9 AM to noon86%

    498 flights · avg delay 8 min

  • Noon to 3 PM73%

    398 flights · avg delay 16 min

  • 3 to 6 PM73%

    385 flights · avg delay 15 min

  • 6 to 9 PM72%

    381 flights · avg delay 16 min

Best day: Wednesday (89%). Worst: Friday (73%).

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

J
83
F
82
M
80
A
81
M
81
J
78
J
75
A
79
S
79
O
78
N
86
D
82

What delays this route

  • Late-arriving aircraft62%
  • Air traffic control and airport volume29%
  • Airline (crew, maintenance, boarding)8%
  • Severe weather1%

Share of delay minutes by the cause airlines report to the US DOT.

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

LGB to LAS questions

What time of day is best to fly LGB to LAS?
Before 9 AM: 95% of flights arrived on time, against 72% for departures 6 to 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
Which airline is most on time from LGB to LAS?
Southwest, with a season-adjusted 81% chance of operating and arriving on time over 2,188 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on LGB to LAS?
July (75% on time); the best was November (86%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?
No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

More routes from LGB

Live status: FAA delays and ground stops