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Flight UA1834

United Airlines flight UA1834

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Looking for UA1834 in the air…

Chicago (ORD) to Tampa (TPA)

Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 71 minutes. It was cancelled 0.3% of the time.

On-time arrivals
81.5%
Less than 15 minutes late
Cancelled
0.3%
Of scheduled flights
Average delay when late
71 min
Flights arriving 15+ minutes late
Flights tracked
365
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 42%
  • Late-arriving aircraft 32%
  • Extreme weather 14%
  • Airline (crew, maintenance, cleaning) 13%
  • Security 0%

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

Tampa (TPA) to Houston (IAH)

Historically, this flight arrives 15+ minutes late 37% of the time, and when it is late the delay averages 87 minutes. It was cancelled 0.0% of the time.

On-time arrivals
62.6%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
87 min
Flights arriving 15+ minutes late
Flights tracked
115
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 39%
  • Air traffic control & airport 35%
  • Airline (crew, maintenance, cleaning) 18%
  • Extreme weather 8%
  • Security 0%

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

Boston (BOS) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 70 minutes. It was cancelled 0.0% of the time.

On-time arrivals
89.5%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
70 min
Flights arriving 15+ minutes late
Flights tracked
76
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 61%
  • Air traffic control & airport 39%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Tampa (TPA) to Newark (EWR)

Historically, this flight arrives 15+ minutes late 33% of the time, and when it is late the delay averages 133 minutes. It was cancelled 6.8% of the time.

On-time arrivals
67.3%
Less than 15 minutes late
Cancelled
6.8%
Of scheduled flights
Average delay when late
133 min
Flights arriving 15+ minutes late
Flights tracked
59
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 64%
  • Late-arriving aircraft 36%
  • Airline (crew, maintenance, cleaning) 0%
  • Extreme weather 0%
  • Security 0%

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

Newark (EWR) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 26% of the time, and when it is late the delay averages 46 minutes. It was cancelled 0.0% of the time.

On-time arrivals
74.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
46 min
Flights arriving 15+ minutes late
Flights tracked
50
Scheduled flights in the period

What caused the delays

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

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

Cedar Rapids (CID) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 87 minutes. It was cancelled 3.2% of the time.

On-time arrivals
80.0%
Less than 15 minutes late
Cancelled
3.2%
Of scheduled flights
Average delay when late
87 min
Flights arriving 15+ minutes late
Flights tracked
31
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 70%
  • Air traffic control & airport 20%
  • Extreme weather 10%
  • Late-arriving aircraft 0%
  • Security 0%

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

Philadelphia (PHL) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 26% of the time, and when it is late the delay averages 50 minutes. It was cancelled 0.0% of the time.

On-time arrivals
73.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
50 min
Flights arriving 15+ minutes late
Flights tracked
23
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 79%
  • Air traffic control & airport 21%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Syracuse (SYR) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 10% of the time, and when it is late the delay averages 54 minutes. It was cancelled 0.0% of the time.

On-time arrivals
90.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
54 min
Flights arriving 15+ minutes late
Flights tracked
20
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 100%
  • Airline (crew, maintenance, cleaning) 0%
  • Late-arriving aircraft 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 89.8% 59
October 2025 67.6% 68
November 2025 78.2% 83
December 2025 74.5% 47
January 2026 77.8% 36
February 2026 85.7% 28
March 2026 74.0% 78
April 2026 77.4% 31
May 2026 81.6% 88
June 2026 77.1% 83
July 2026 81.8% 89
August 2026 67.3% 49

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.