The Short Answer
Maverick Helicopters sells several Las Vegas tours on Vegas.com, and this guide compares three of them: Wind Dancer, Western Journey and Neon & Nature. They're easy to tell apart once you stop reading the total duration. Wind Dancer buys you the most time in the air and lands in the Grand Canyon. Western Journey buys you the longest day but part of it is on a bus. Neon & Nature skips the Grand Canyon entirely for Red Rock and the Strip in a fraction of the time. Here they are, most air time first.

Wind Dancer: The Most Flying, and a Canyon Landing
Wind Dancer is the one to beat on the number that actually matters. It carries 130 minutes of air time inside a three-and-a-half to four-hour booking, which is more flying than the seven-hour tour delivers. It's helicopter only, with no bus leg, and it lands so you have time on the canyon floor before flying back over Downtown and the Strip. Along the way it takes in Hoover Dam, Lake Mead and the Colorado River, and snacks are included.
Total: 210 to 240 minutes. Air time: 130 minutes. Transport: helicopter only. Lands: on the Grand Canyon floor.

Western Journey: The Full Day Out
Western Journey is the seven-hour option: a full day trip to the West Rim with a helicopter flight built into it. It combines air and land travel, so alongside 120 minutes of flying there is a bus component, and the itinerary covers Hoover Dam, Temple Rock and the West Rim of the Grand Canyon. That mix is the appeal for anyone who wants to be on the ground at the rim rather than only above it.
Total: 420 minutes. Air time: 120 minutes. Transport: helicopter and bus. Destination: Grand Canyon West Rim.

Neon & Nature: Red Rock and the Strip, Half a Morning
Neon & Nature is the outlier of the three because it doesn't go near the Grand Canyon. It flies over the red rocks of Red Rock Canyon and the Las Vegas Strip, lands for a champagne toast, and has you back at your hotel in about two and a half hours, door to door. That makes it the only one of the three you can fit around other plans rather than building the day around it. Every passenger 18 and over needs photo identification.
Total: 150 minutes, hotel to hotel. Route: Red Rock Canyon and the Strip. Included: a champagne toast.
The Practical Truth
Choose on the two numbers rather than the names: air time if the flight is the point, total time if your day is the constraint. Wind Dancer wins the first, Neon & Nature wins the second, and Western Journey is for people who want the rim underfoot. One rule applies across all three and catches people out at check-in: any guest over 300 pounds needs an adjacent empty seat to balance the aircraft, and it's charged for on the spot rather than at booking. Bring photo identification too, passenger or not. Maverick's Strip-only night flight, Vegas Views, is set against Papillon's in our Vegas Strip helicopter tour comparison, and Skywalk Odyssey sits alongside the ground tours in our Grand Canyon tours from Las Vegas guide.