Route on-time record
RNO to LGB: most on-time flights and the best time to fly
Reno (Reno Tahoe International Airport) to Long Beach (Long Beach International Airport). 704 nonstop flights in Jun 2025 to May 2026, 82% arrived within 15 minutes and 0.9% were cancelled. The most reliable flight number was Southwest 4018 at 7:20 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
RNO → LGB
Reno to Long Beach: 704 nonstop flights a year
On time (12 months)
82%
Cancelled
0.9%
avg delay 10 min
Best time to leave
9 AM to noon
95% on time vs 60% 6 to 9 PM
Most reliable airline
Southwest
82% 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 4018
7:20 AM → 8:45 AM1h 25m 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 (47 flights, Jun 2025 to May 2026).
- Never cancelled in 47 scheduled flights.
- Short track record (47 flights), so its score leans on the airline's record at this hour.
Limited track record · 47 flights
Find Southwest 4018 fares Opens this date on Aviasales#2 · Southwest 1644
9:15 AM → 10:50 AM1h 35m nonstop
Local times, typical schedule. Last flown 2026-04-06.
92%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 0 min
- Arrived on time 100% of the time (28 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 95% on time; 6 to 9 PM: 60%).
- Short track record (28 flights), so its score leans on the airline's record at this hour.
Limited track record · 28 flights
Find Southwest 1644 fares Opens this date on Aviasales#3 · Southwest 1658
10:30 AM → 11:55 AM1h 25m nonstop
Local times, typical schedule. Last flown 2026-05-30.
87%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 19 min
- Arrived on time 88% of the time (8 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 95% on time; 6 to 9 PM: 60%).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 1658 fares Opens this date on Aviasales#4 · Southwest 4323
7:35 PM → 9:10 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-04-06.
79%
chance on time
- On time (history)
- 75%
- Cancelled
- 0.0%
- Avg arrival delay
- 7 min
- Arrived on time 75% of the time (20 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 60% on time; 9 AM to noon: 95%).
- Short track record (20 flights), so its score leans on the airline's record at this hour.
Limited track record · 20 flights
Find Southwest 4323 fares Opens this date on Aviasales#5 · Southwest 4019
6:45 PM → 8:15 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31.
52%
chance on time
- On time (history)
- 30%
- Cancelled
- 0.0%
- Avg arrival delay
- 28 min
- Arrived on time 30% of the time (30 flights, Jun 2025 to May 2026).
- Never cancelled in 30 scheduled flights.
- Leaves in this route's least on-time window (6 to 9 PM: 60% on time; 9 AM to noon: 95%).
- 85% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 30 flights
Find Southwest 4019 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines82%
704 flights · 82% on time as flown · 0.9% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM95%
262 flights · avg delay 5 min
- 9 AM to noon95%
157 flights · avg delay 3 min
- Noon to 3 PM76%
35 flights · avg delay 16 min
- 3 to 6 PM65%
94 flights · avg delay 18 min
- 6 to 9 PM60%
156 flights · avg delay 20 min
Best day: Wednesday (88%). Worst: Sunday (79%).
Smarter routing
Nearby airports that run more on time
RNO → LAX 87% chance on time
Reno Tahoe International Airport to Los Angeles International Airport · 2,513 flights a year · 17 mi from your airports · yours: 82%
RNO → BUR 85% chance on time
Reno Tahoe International Airport to Hollywood Burbank/Bob Hope Airport · 438 flights a year · 29 mi from your airports · yours: 82%
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 aircraft66%
- Airline (crew, maintenance, boarding)17%
- Air traffic control and airport volume12%
- Severe weather5%
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
RNO to LGB questions
- What time of day is best to fly RNO to LGB?
- 9 AM to noon: 95% of flights arrived on time, against 60% for departures 6 to 9 PM.
- Which airline is most on time from RNO to LGB?
- Southwest, with a season-adjusted 82% chance of operating and arriving on time over 704 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 RNO to LGB?
- July (76% on time); the best was January (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 RNO
- LGB to RNO (return)
- RNO to LAS 83%
- RNO to DEN 85%
- RNO to LAX 88%
- RNO to PHX 86%
- RNO to SFO 68%
- RNO to DFW 81%
- RNO to SLC 89%
- RNO to SAN 75%
- RNO to SEA 72%
- RNO to BUR 85%
- RNO to ORD 83%
- RNO to ATL 72%
Live status: FAA delays and ground stops