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Flight Reliability

UA 1842 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1842 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

59%
Arrive within 15 minutes
30 min
Average arrival delay
3.4%
Cancelled
8 min
Median arrival delay

Based on 533 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon51%(72 flights)
  • Tue61%(72 flights)
  • Wed65%(72 flights)
  • Thu56%(75 flights)
  • Fri60%(80 flights)
  • Sat64%(59 flights)
  • Sun55%(80 flights)
On-time by departure window
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM83%(53 flights)
  • 3–6 PM47%(178 flights)
  • 6–9 PM62%(277 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
72%
May

Jun 48% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202548%31
July 202538%58
August 202551%47
September 202556%34
October 202557%47
November 202539%28
December 202553%40
January 202668%31
February 202678%36
March 202667%39
April 202672%58
May 202672%61
Departures on time
68%
Diverted
0.9%
Flights flown
510
Months covered
12

Keep nerding

Based on 533 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.