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Flight Reliability

UA 630 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 630 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

61%
Arrive within 15 minutes
28 min
Average arrival delay
1.5%
Cancelled
8 min
Median arrival delay

Based on 651 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon59%(95 flights)
  • Tue63%(93 flights)
  • Wed59%(96 flights)
  • Thu62%(87 flights)
  • Fri60%(91 flights)
  • Sat69%(85 flights)
  • Sun54%(92 flights)
On-time by departure window
  • 6–9 AM100%(32 flights)
  • 12–3 PM73%(77 flights)
  • 3–6 PM49%(213 flights)
  • 6–9 PM63%(215 flights)
  • 9 PM–12 AM60%(102 flights)
On-time trend by month
68%
May

Jun 60% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%60
July 202538%55
August 202561%31
September 202560%35
October 202557%58
November 202551%57
December 202572%47
January 202658%57
February 202677%56
March 202655%55
April 202672%87
May 202668%41
Departures on time
67%
Diverted
0.3%
Flights flown
639
Months covered
12

Keep nerding

Based on 651 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.