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Flight UA1846

United Airlines flight UA1846

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  • Advisory Coastal Flood Advisory OAK, SFO, SQL, STS

    COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST MONDAY

    Weather

Hartford (BDL) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 49% of the time, and when it is late the delay averages 53 minutes. It was cancelled 2.5% of the time.

On-time arrivals
51.3%
Less than 15 minutes late
Cancelled
2.5%
Of scheduled flights
Average delay when late
53 min
Flights arriving 15+ minutes late
Flights tracked
163
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 72%
  • Airline (crew, maintenance, cleaning) 18%
  • Late-arriving aircraft 10%
  • Extreme weather 0%
  • Security 0%

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

Denver (DEN) to San Luis Obispo (SBP)

Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 49 minutes. It was cancelled 0.0% of the time.

On-time arrivals
81.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
49 min
Flights arriving 15+ minutes late
Flights tracked
82
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 42%
  • Late-arriving aircraft 29%
  • Airline (crew, maintenance, cleaning) 28%
  • Extreme weather 0%
  • Security 0%

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

San Luis Obispo (SBP) to San Francisco (SFO)

Historically, this flight arrives 15+ minutes late 80% of the time, and when it is late the delay averages 85 minutes. It was cancelled 0.0% of the time.

On-time arrivals
19.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
85 min
Flights arriving 15+ minutes late
Flights tracked
81
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 66%
  • Airline (crew, maintenance, cleaning) 20%
  • Late-arriving aircraft 14%
  • Extreme weather 0%
  • Security 0%

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

Los Angeles (LAX) to Salt Lake City (SLC)

Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 53 minutes. It was cancelled 0.0% of the time.

On-time arrivals
95.4%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
53 min
Flights arriving 15+ minutes late
Flights tracked
65
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 56%
  • Airline (crew, maintenance, cleaning) 44%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Detroit (DTW) to Denver (DEN)

Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 82 minutes. It was cancelled 0.0% of the time.

On-time arrivals
80.4%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
82 min
Flights arriving 15+ minutes late
Flights tracked
46
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 77%
  • Late-arriving aircraft 20%
  • Air traffic control & airport 3%
  • Extreme weather 0%
  • Security 0%

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

Newark (EWR) to Las Vegas (LAS)

Historically, this flight arrives 15+ minutes late 43% of the time, and when it is late the delay averages 89 minutes. It was cancelled 0.0% of the time.

On-time arrivals
57.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
89 min
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

What caused the delays

  • Extreme weather 46%
  • Air traffic control & airport 37%
  • Late-arriving aircraft 10%
  • Airline (crew, maintenance, cleaning) 7%
  • Security 0%

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

PBI → IAD

Historically, this flight arrives 15+ minutes late 10% of the time, and when it is late the delay averages 118 minutes. It was cancelled 0.0% of the time.

On-time arrivals
90.5%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
118 min
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 88%
  • Airline (crew, maintenance, cleaning) 12%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Dulles (IAD) to Columbus (CMH)

Only 1 flight on record, which is too few for reliable odds.

On-time arrivals
0.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
16 min
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 100%
  • Late-arriving aircraft 0%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

San Francisco (SFO) to Medford (MFR)

Only 1 flight on record, which is too few for reliable odds.

On-time arrivals
0.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
15 min
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 60%
  • Late-arriving aircraft 40%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

In the news

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 50.0% 30
October 2025 64.5% 31
November 2025 42.9% 29
December 2025 40.0% 31
January 2026 60.7% 31
February 2026 71.4% 28
March 2026 93.3% 30
April 2026 92.3% 26
May 2026 70.3% 37
June 2026 42.4% 66
July 2026 62.6% 91
August 2026 68.6% 51

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.