Las Vegas (LAS) to Newark (EWR): On-Time Performance
Data through July 2026
When you fly LAS to EWR matters as much as anything else about the booking: the route swung from 89% on-time in January 2025 to just 57% in May 2025. Across the full period the route averages 79% on-time against a national 78%.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 1.6%
- Flights/day
- 8.0
- last 12 months
- Duration
- 4h 57m
- scheduled
- Distance
- 2,227 mi
Best airline from LAS to EWR
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 79% | 17 min | 1.4% | 5,215 |
| Spirit Airlines | 79% | 16 min | 2.3% | 881 |
| JetBlue Airways | 79% | 16 min | 2.6% | 311 |
Monthly on-time trend
Best time to fly from LAS to EWR
Aim for departures around 12 a.m. (91% on-time); avoid 12 p.m. departures (67%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 15 min |
| Tuesdaybest | 85% | 10 min |
| Wednesday | 82% | 13 min |
| Thursday | 72% | 22 min |
| Friday | 79% | 16 min |
| Saturday | 80% | 17 min |
| Sunday | 74% | 26 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft27%
- Airline operations22%
- National airspace system48%
- Weather3%
Frequently asked questions
- How often are flights from LAS to EWR delayed?
- 21% of LAS–EWR flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 17 minutes.
- Which airline is most reliable from LAS to EWR?
- United Airlines has the best on-time record on this route at 79%, based on 5,215 flights. 3 airlines flew LAS–EWR frequently enough to compare in this period.
- What is the best time of day to fly from LAS to EWR?
- Departures around 12 a.m. have the best record (91% on-time), while departures around 12 p.m. have the worst (67%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAS to EWR?
- The scheduled LAS–EWR flight time averages 4h 57m over 2,227 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are LAS to EWR flights cancelled?
- 1.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from LAS to EWR?
- May 2025 was the roughest month in this dataset, with only 57% of arrivals on time. The best was January 2025 at 89%. If your dates are flexible, that 31-point gap is worth planning around.
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Based on 6,407 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.