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Flight Reliability

UA 446 · United Airlines

Newark → Las Vegas (EWR–LAS)88% of its flights flew this route. The rest (MIA–EWR, LAS–IAH) are included in these numbers.

82
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
1 min early
Average arrival delay
1.3%
Cancelled
8 min early
Median arrival delay

Based on 388 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

UA 446 departing between 6–9 AM arrived on time 92% of the time, versus 76% between 3–6 PM.

Wednesday has been the better bet.

A small edge: 84% on time on Wednesdays against 79% on Mondays.

A bit ahead of the United Airlines network.

UA 446 arrived on time 82% of the time, versus 79% across the United Airlines network.

Trending in the right direction.

UA 446 arrived on time 94% of the time over the last three months in the data, compared with 75% in the three months before that.

The breakdown

On-time by weekday
  • Mon79%(53 flights)
  • Tue84%(55 flights)
  • Wed84%(56 flights)
  • Thu84%(55 flights)
  • Fri82%(54 flights)
  • Sat80%(51 flights)
  • Sun84%(56 flights)
On-time by departure window
  • 6–9 AM92%(25 flights)
  • 9 AM–12 PM82%(334 flights)
  • 3–6 PM76%(21 flights)
On-time trend by month
96%
May

Jun 85% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%40
July 202581%31
August 202590%30
September 202597%30
October 202553%30
November 202577%26
December 202568%31
January 202676%29
February 202681%43
March 202689%35
April 202697%29
May 202696%26
Departures on time
88%
Diverted
0.8%
Flights flown
380
Months covered
12

Same route, other flights

Keep nerding

Based on 388 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.