Skip to content
WanderNerd
Check a flight

Flight Reliability

UA 1855 · United Airlines

Los Angeles → Newark (LAX–EWR)90% of its flights flew this route. The rest (IAD–LAX) are included in these numbers.

64
A Little Dicey
WanderNerd Reliability Score
67%
Arrive within 15 minutes
18 min
Average arrival delay
1.4%
Cancelled
1 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

UA 1855 departing between 6–9 AM arrived on time 97% of the time, versus 63% between 12–3 PM.

Sunday scaries are real for this one.

UA 1855 arrived on time 82% of the time on Tuesdays and just 45% on Sundays. That gap is worth planning around.

Lagging the LAX–EWR route.

UA 1855 arrived on time 67% of the time, versus 80% across the LAX–EWR route.

Lagging the United Airlines network.

UA 1855 arrived on time 67% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon69%(51 flights)
  • Tue82%(51 flights)
  • Wed75%(51 flights)
  • Thu62%(52 flights)
  • Fri69%(51 flights)
  • Sat65%(51 flights)
  • Sun45%(51 flights)
On-time by departure window
  • 6–9 AM97%(37 flights)
  • 12–3 PM63%(321 flights)
On-time trend by month
90%
May

Jun 63% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%30
July 202560%30
August 202571%31
September 202590%30
October 202568%31
November 202580%30
December 202552%31
January 202653%30
February 202660%25
March 202643%30
April 202667%30
May 202690%30
Departures on time
65%
Diverted
0.3%
Flights flown
358
Months covered
12

Same route, other flights

Keep nerding

Based on 364 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.