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Flight UA1889

United Airlines flight UA1889

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Looking for UA1889 in the air…

Sacramento (SMF) to Denver (DEN)

Historically, this flight arrives 15+ minutes late 4% of the time, and when it is late the delay averages 67 minutes. It was cancelled 0.0% of the time.

On-time arrivals
96.4%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
67 min
Flights arriving 15+ minutes late
Flights tracked
339
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 90%
  • Air traffic control & airport 7%
  • Extreme weather 3%
  • Late-arriving aircraft 0%
  • Security 0%

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

Denver (DEN) to Detroit (DTW)

Historically, this flight arrives 15+ minutes late 13% of the time, and when it is late the delay averages 66 minutes. It was cancelled 0.0% of the time.

On-time arrivals
86.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
66 min
Flights arriving 15+ minutes late
Flights tracked
38
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 77%
  • Air traffic control & airport 12%
  • Airline (crew, maintenance, cleaning) 11%
  • Extreme weather 0%
  • Security 0%

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

Denver (DEN) to Great Falls (GTF)

Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 46 minutes. It was cancelled 4.2% of the time.

On-time arrivals
78.3%
Less than 15 minutes late
Cancelled
4.2%
Of scheduled flights
Average delay when late
46 min
Flights arriving 15+ minutes late
Flights tracked
24
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 44%
  • Air traffic control & airport 43%
  • Late-arriving aircraft 14%
  • Extreme weather 0%
  • Security 0%

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

Denver (DEN) to Philadelphia (PHL)

Historically, this flight arrives 15+ minutes late 0% of the time. It was cancelled 0.0% of the time.

On-time arrivals
100.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
—
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

Denver (DEN) to Asheville (AVL)

Only 2 flights on record, which is too few for reliable odds.

On-time arrivals
100.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
—
Flights arriving 15+ minutes late
Flights tracked
2
Scheduled flights in the period

In the news

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 90.0% 30
October 2025 90.3% 31
November 2025 100.0% 29
December 2025 91.3% 47
January 2026 96.8% 31
February 2026 97.7% 44
March 2026 89.7% 59
April 2026 100.0% 30
May 2026 96.8% 31
June 2026 100.0% 30
July 2026 93.5% 31
August 2026 96.8% 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

Latest airport & airline headlines

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