Newark (EWR) to Las Vegas (LAS): On-Time Performance
Data through May 2026
The calendar drives reliability on EWR–LAS. May 2026 flights landed on schedule 89% of the time, but July 2025 dropped to 69% — a gap of 20 points. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (86% vs 69%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 1.5%
- Flights/day
- 8.2
- last 12 months
- Duration
- 5h 40m
- scheduled
- Distance
- 2,227 mi
Best airline from EWR to LAS
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 80% | 15 min | 1.2% | 5,032 |
| JetBlue Airways | 76% | 17 min | 3.1% | 292 |
| Spirit Airlines | 70% | 26 min | 3.0% | 943 |
Monthly on-time trend
Best time to fly from EWR to LAS
Aim for departures around 6 a.m. (90% on-time); avoid 9 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 15 min |
| Tuesdaybest | 84% | 11 min |
| Wednesday | 81% | 16 min |
| Thursday | 76% | 22 min |
| Friday | 77% | 16 min |
| Saturday | 77% | 17 min |
| Sunday | 77% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft34%
- Airline operations25%
- National airspace system35%
- Weather6%
Frequently asked questions
- How often are flights from EWR to LAS delayed?
- 21% of EWR–LAS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 17 minutes.
- Which airline is most reliable from EWR to LAS?
- United Airlines has the best on-time record on this route at 80%, based on 5,032 flights. 3 airlines flew EWR–LAS frequently enough to compare in this period.
- What is the best time of day to fly from EWR to LAS?
- Departures around 6 a.m. have the best record (90% on-time), while departures around 9 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from EWR to LAS?
- The scheduled EWR–LAS flight time averages 5h 40m over 2,227 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are EWR to LAS flights cancelled?
- 1.5% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from EWR to LAS?
- July 2025 was the roughest month in this dataset, with only 69% of arrivals on time. The best was May 2026 at 89%. If your dates are flexible, that 20-point gap is worth planning around.
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Based on 6,267 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.