Route on-time record
LAS to RDU: most on-time flights and the best time to fly
Las Vegas (Harry Reid International Airport) to Raleigh/Durham (Raleigh-Durham International Airport). 747 nonstop flights in Jun 2025 to May 2026, 79% arrived within 15 minutes and 1.2% were cancelled. The most reliable flight number was Delta 822 at 10:33 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
LAS → RDU
Las Vegas to Raleigh/Durham: 747 nonstop flights a year
On time (12 months)
79%
Cancelled
1.2%
avg delay 11 min
Best time to leave
After 9 PM
86% on time vs 67% 3 to 6 PM
Most reliable airline
Delta
86% 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 · Delta 822
10:33 PM → 5:42 AM4h 16m nonstop
Local times, typical schedule. Last flown 2026-05-31.
88%
chance on time
- On time (history)
- 89%
- Cancelled
- 0.8%
- Avg arrival delay
- 5 min
- Arrived on time 89% of the time (356 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (After 9 PM: 86% on time; 3 to 6 PM: 67%).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 107 ground stops and delay programs started).
Strong track record · 356 flights
Find Delta 822 fares Opens this date on Aviasales#2 · Southwest 488
4:10 PM → 11:40 PM4h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31.
72%
chance on time
- On time (history)
- 84%
- Cancelled
- 0.0%
- Avg arrival delay
- 8 min
- Arrived on time 84% of the time (31 flights, Jun 2025 to May 2026).
- Never cancelled in 31 scheduled flights.
- Leaves in this route's least on-time window (3 to 6 PM: 67% on time; After 9 PM: 86%).
- 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 · 31 flights
Find Southwest 488 fares Opens this date on Aviasales#3 · Southwest 200
11:40 AM → 7:05 PM4h 25m nonstop
Local times, typical schedule. Last flown 2026-05-29.
61%
chance on time
- On time (history)
- 57%
- Cancelled
- 0.0%
- Avg arrival delay
- 36 min
- Arrived on time 57% of the time (23 flights, Jun 2025 to May 2026).
- 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 · 23 flights
Find Southwest 200 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Delta Air Lines86%
361 flights · 89% on time as flown · 0.9% cancel
- Southwest Airlines70%
341 flights · 70% on time as flown · 1.6% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- 9 AM to noon70%
79 flights · avg delay 17 min
- Noon to 3 PM78%
80 flights · avg delay 9 min
- 3 to 6 PM67%
181 flights · avg delay 18 min
- After 9 PM86%
404 flights · avg delay 8 min
Best day: Tuesday (90%). Worst: Thursday (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.
What delays this route
- Late-arriving aircraft48%
- Airline (crew, maintenance, boarding)36%
- Air traffic control and airport volume15%
- 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
LAS to RDU questions
- What time of day is best to fly LAS to RDU?
- After 9 PM: 86% of flights arrived on time, against 67% for departures 3 to 6 PM.
- Which airline is most on time from LAS to RDU?
- Delta, with a season-adjusted 86% chance of operating and arriving on time over 361 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 RDU?
- July (68% on time); the best was December (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 LAS
- RDU 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