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Flight Reliability

UA 1478 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1478 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

80%
Arrive within 15 minutes
12 min
Average arrival delay
1.5%
Cancelled
3 min early
Median arrival delay

Based on 267 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(38 flights)
  • Tue89%(36 flights)
  • Wed89%(36 flights)
  • Thu71%(38 flights)
  • Fri71%(38 flights)
  • Sat87%(38 flights)
  • Sun80%(39 flights)
On-time by departure window
  • 3–6 AM100%(36 flights)
  • 6–9 AM93%(43 flights)
  • 12–3 PM78%(64 flights)
  • 3–6 PM70%(120 flights)
On-time trend by month
74%
May

Jun 73% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%60
July 202586%62
August 202591%35
February 2026100%14
March 202674%31
April 202670%30
May 202674%31
Departures on time
83%
Diverted
0%
Flights flown
263
Months covered
7

Keep nerding

Based on 267 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.