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Flight UA1173

United Airlines flight UA1173

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Looking for UA1173 in the air…

San Juan (SJU) to Newark (EWR)

Historically, this flight arrives 15+ minutes late 36% of the time, and when it is late the delay averages 107 minutes. It was cancelled 4.9% of the time.

On-time arrivals
64.2%
Less than 15 minutes late
Cancelled
4.9%
Of scheduled flights
Average delay when late
107 min
Flights arriving 15+ minutes late
Flights tracked
365
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 73%
  • Airline (crew, maintenance, cleaning) 17%
  • Air traffic control & airport 10%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

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Headlines found by Google News; stories open on the publisher's site.

On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 58.6% 30
October 2025 55.6% 31
November 2025 56.0% 30
December 2025 67.7% 31
January 2026 55.2% 31
February 2026 65.4% 28
March 2026 83.9% 31
April 2026 70.0% 30
May 2026 80.0% 31
June 2026 65.5% 30
July 2026 57.1% 31
August 2026 51.7% 31

Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data

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Headlines found by Google News; stories open on the publisher's site.