Route on-time record

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

Reno (Reno Tahoe International Airport) to Las Vegas (Harry Reid International Airport). 3,974 nonstop flights in Jun 2025 to May 2026, 83% arrived within 15 minutes and 0.8% were cancelled. The most reliable flight number was Southwest 4011 at 5:30 AM.

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

RNO → LAS

Reno to Las Vegas: 3,974 nonstop flights a year

On time (12 months)

83%

Cancelled

0.8%

avg delay 12 min

Best time to leave

Before 9 AM

96% on time vs 71% 3 to 6 PM

Most reliable airline

Spirit

85% chance on time

Check RNO to LAS fares

Lowest nonstop fare seen in the next two months: $150 (Frontier 4242 on 2026-10-24). 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 4011
5:30 AM → 6:50 AM1h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 2846; its record covers all of them.
96%
chance on time
On time (history)
97%
Cancelled
0.0%
Avg arrival delay
8 min
- Arrived on time 97% of the time (77 flights, Jun 2025 to May 2026).
- Never cancelled in 77 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 96% on time; 3 to 6 PM: 71%).
Moderate track record · 77 flights
Find Southwest 4011 fares Opens this date on Aviasales
#2 · Southwest 3967
5:20 AM → 6:45 AM1h 25m nonstop
Local times, typical schedule. Last flown 2026-04-05.
95%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
0 min
- Arrived on time 100% of the time (10 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 96% on time; 3 to 6 PM: 71%).
- Short track record (10 flights), so its score leans on the airline's record at this hour.
Limited track record · 10 flights
Find Southwest 3967 fares Opens this date on Aviasales
#3 · Southwest 458
6:35 AM → 8:05 AM1h 30m nonstop
Local times, typical schedule. Last flown 2026-04-06.
93%
chance on time
On time (history)
93%
Cancelled
0.0%
Avg arrival delay
2 min
- Arrived on time 93% 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; 3 to 6 PM: 71%).
- Short track record (28 flights), so its score leans on the airline's record at this hour.
Limited track record · 28 flights
Find Southwest 458 fares Opens this date on Aviasales
#4 · Southwest 1104
7:40 AM → 9:00 AM1h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31.
91%
chance on time
On time (history)
93%
Cancelled
1.8%
Avg arrival delay
7 min
- Arrived on time 93% of the time (54 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 96% on time; 3 to 6 PM: 71%).
- Short track record (54 flights), so its score leans on the airline's record at this hour.
Limited track record · 54 flights
Find Southwest 1104 fares Opens this date on Aviasales
#5 · Southwest 2398
8:40 AM → 10:00 AM1h 20m nonstop
Local times, typical schedule. Last flown 2026-04-06.
90%
chance on time
On time (history)
93%
Cancelled
0.0%
Avg arrival delay
3 min
- Arrived on time 93% of the time (15 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 96% on time; 3 to 6 PM: 71%).
- 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 2398 fares Opens this date on Aviasales
#6 · Southwest 3013
7:50 AM → 9:25 AM1h 30m nonstop
Local times, typical schedule. Last flown 2026-04-05.
90%
chance on time
On time (history)
89%
Cancelled
0.0%
Avg arrival delay
2 min
- Arrived on time 89% of the time (18 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 96% on time; 3 to 6 PM: 71%).
- Short track record (18 flights), so its score leans on the airline's record at this hour.
Limited track record · 18 flights
Find Southwest 3013 fares Opens this date on Aviasales
#7 · Southwest 2060
1:00 PM → 2:25 PM1h 25m nonstop
Local times, typical schedule. Last flown 2026-05-31.
89%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
1 min
- Arrived on time 100% of the time (31 flights, Jun 2025 to May 2026).
- Never cancelled in 31 scheduled flights.
- 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 (31 flights), so its score leans on the airline's record at this hour.
Limited track record · 31 flights
Find Southwest 2060 fares Opens this date on Aviasales
#8 · Southwest 4605
12:20 PM → 1:50 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-04-06.
89%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
0 min
- Arrived on time 100% of the time (13 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 (13 flights), so its score leans on the airline's record at this hour.
Limited track record · 13 flights
Find Southwest 4605 fares Opens this date on Aviasales
#9 · Southwest 3055
12:30 PM → 2:00 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-04-01.
88%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
0 min
- Arrived on time 100% 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 3055 fares Opens this date on Aviasales
#10 · Southwest 4020
10:00 AM → 11:20 AM1h 20m nonstop
Local times, typical schedule. Last flown 2026-05-29. Same departure also flew as Southwest 469; its record covers all of them.
87%
chance on time
On time (history)
88%
Cancelled
0.0%
Avg arrival delay
6 min
- Arrived on time 88% of the time (68 flights, Jun 2025 to May 2026).
- Never cancelled in 68 scheduled flights.
- Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
Moderate track record · 68 flights
Find Southwest 4020 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

Spirit Airlines85%
601 flights · 87% on time as flown · 1.8% cancel
Southwest Airlines82%
3,134 flights · 83% on time as flown · 0.5% cancel
Frontier Airlines71%
239 flights · 69% on time as flown · 1.3% cancel

On time by departure time

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

Before 9 AM96%
999 flights · avg delay 4 min
9 AM to noon86%
816 flights · avg delay 8 min
Noon to 3 PM82%
653 flights · avg delay 12 min
3 to 6 PM71%
683 flights · avg delay 18 min
6 to 9 PM72%
650 flights · avg delay 22 min
After 9 PM77%
173 flights · avg delay 14 min

Best day: Saturday (88%). Worst: Thursday (76%).

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 aircraft60%
Air traffic control and airport volume25%
Airline (crew, maintenance, boarding)12%
Severe weather2%

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 LAS questions

What time of day is best to fly RNO to LAS?: Before 9 AM: 96% of flights arrived on time, against 71% for departures 3 to 6 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 RNO to LAS?: Spirit, with a season-adjusted 85% chance of operating and arriving on time over 601 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 LAS?: July (75% on time); the best was November (87%), 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

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