Route on-time record
LGB to HOU: most on-time flights and the best time to fly
Long Beach (Long Beach International Airport) to Houston (William P. Hobby Airport). 503 nonstop flights in Jun 2025 to May 2026, 79% arrived within 15 minutes and 0.2% were cancelled. The most reliable flight number was Southwest 3546 at 1:15 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
LGB → HOU
Long Beach to Houston: 503 nonstop flights a year
On time (12 months)
79%
Cancelled
0.2%
avg delay 10 min
Best time to leave
Before 9 AM
93% on time vs 72% noon to 3 PM
Most reliable airline
Southwest
79% chance on time
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 · Southwest 3546
1:15 PM → 6:25 PM3h 10m nonstop
Local times, typical schedule. Last flown 2026-05-29.
80%
chance on time
- On time (history)
- 83%
- Cancelled
- 0.0%
- Avg arrival delay
- 10 min
- Arrived on time 83% of the time (23 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (Noon to 3 PM: 72% on time; Before 9 AM: 93%).
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 3546 fares Opens this date on Aviasales#2 · Southwest 4294
12:50 PM → 5:55 PM3h 08m nonstop
Local times, typical schedule. Last flown 2026-05-31.
71%
chance on time
- On time (history)
- 59%
- Cancelled
- 0.0%
- Avg arrival delay
- 13 min
- Arrived on time 59% of the time (32 flights, Jun 2025 to May 2026).
- Never cancelled in 32 scheduled flights.
- Leaves in this route's least on-time window (Noon to 3 PM: 72% on time; Before 9 AM: 93%).
- Lands inside HOU's trouble window: 80% of its 40 ground stops and delay programs started between noon and 6 PM.
Limited track record · 32 flights
Find Southwest 4294 fares Opens this date on Aviasales#3 · Southwest 3687
2:35 PM → 7:35 PM3h 00m nonstop
Local times, typical schedule. Last flown 2026-04-06.
63%
chance on time
- On time (history)
- 42%
- Cancelled
- 0.0%
- Avg arrival delay
- 26 min
- Arrived on time 42% of the time (33 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Leaves in this route's least on-time window (Noon to 3 PM: 72% on time; Before 9 AM: 93%).
- 51% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 33 flights
Find Southwest 3687 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines79%
503 flights · 79% on time as flown · 0.2% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM93%
153 flights · avg delay 5 min
- 9 AM to noon85%
47 flights · avg delay 6 min
- Noon to 3 PM72%
302 flights · avg delay 13 min
Best day: Saturday (90%). Worst: Friday (82%).
Smarter routing
Nearby airports that run more on time
SNA → IAH 88% chance on time
John Wayne Orange County International Airport to George Bush Intercontinental Airport · 1,094 flights a year · 43 mi from your airports · yours: 79%
ONT → IAH 84% chance on time
Ontario International Airport to George Bush Intercontinental Airport · 516 flights a year · 60 mi from your airports · yours: 79%
LAX → IAH 83% chance on time
Los Angeles International Airport to George Bush Intercontinental Airport · 5,291 flights a year · 41 mi from your airports · yours: 79%
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.
What delays this route
- Late-arriving aircraft49%
- Airline (crew, maintenance, boarding)26%
- Air traffic control and airport volume23%
- Severe weather3%
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 HOU questions
- What time of day is best to fly LGB to HOU?
- Before 9 AM: 93% of flights arrived on time, against 72% for departures noon to 3 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 HOU?
- Southwest, with a season-adjusted 79% chance of operating and arriving on time over 503 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 HOU?
- March (79% on time); the best was September (91%), 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
- HOU to LGB (return)
- LGB to LAS 81%
- LGB to SMF 88%
- LGB to OAK 90%
- LGB to SLC 90%
- LGB to PHX 82%
- LGB to SJC 87%
- LGB to DEN 81%
- LGB to HNL 89%
- LGB to RNO 84%
- LGB to DAL 85%
- LGB to AUS 81%
- LGB to OGG 93%
Live status: FAA delays and ground stops