Route on-time record
LAS to EUG: most on-time flights and the best time to fly
Las Vegas (Harry Reid International Airport) to Eugene (Eugene Airport). 482 nonstop flights in Jun 2025 to May 2026, 87% arrived within 15 minutes and 0.0% were cancelled. The most reliable flight number was Allegiant 35 at 8:00 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
LAS → EUG
Las Vegas to Eugene: 482 nonstop flights a year
On time (12 months)
87%
Cancelled
0.0%
avg delay 7 min
Best time to leave
Before 9 AM
96% on time vs 76% noon to 3 PM
Most reliable airline
Southwest
88% 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 · Allegiant 35
8:00 AM → 10:12 AM2h 12m nonstop
Local times, typical schedule. Last flown 2026-05-17.
93%
chance on time
- On time (history)
- 96%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 96% of the time (28 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 96% on time; Noon to 3 PM: 76%).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 107 ground stops and delay programs started).
Limited track record · 28 flights
Find Allegiant 35 fares Opens this date on Aviasales#2 · Southwest 2026
11:55 AM → 2:10 PM2h 15m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
- On time (history)
- 78%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 78% of the time (54 flights, Jun 2025 to May 2026).
- Never cancelled in 54 scheduled flights.
- Departs inside LAS's trouble window: 51% of its 107 ground stops and delay programs started between 10 AM and 4 PM.
Limited track record · 54 flights
Find Southwest 2026 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines88%
374 flights · 88% on time as flown · 0.0% cancel
- Allegiant Air85%
108 flights · 83% on time as flown · 0.0% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM96%
125 flights · avg delay 2 min
- 9 AM to noon89%
218 flights · avg delay 6 min
- Noon to 3 PM76%
111 flights · avg delay 13 min
Best day: Wednesday (87%). Worst: Friday (77%).
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 aircraft41%
- Airline (crew, maintenance, boarding)35%
- Air traffic control and airport volume18%
- Severe weather7%
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
LAS to EUG questions
- What time of day is best to fly LAS to EUG?
- Before 9 AM: 96% of flights arrived on time, against 76% 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 LAS to EUG?
- Southwest, with a season-adjusted 88% chance of operating and arriving on time over 374 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 LAS to EUG?
- July (72% on time); the best was January (90%), 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 LAS
- EUG to LAS (return)
- LAS to LAX 79%
- LAS to DEN 77%
- LAS to SAN 68%
- LAS to PHX 78%
- LAS to SFO 66%
- LAS to SEA 82%
- LAS to ORD 77%
- LAS to DFW 81%
- LAS to ATL 84%
- LAS to SNA 82%
- LAS to SMF 79%
- LAS to BUR 80%
Most on-time flights from LAS on every route →
Live status: FAA delays and ground stops