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Flight UA1004

United Airlines flight UA1004

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Looking for UA1004 in the air…

Newark (EWR) to Houston (IAH)

Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 79 minutes. It was cancelled 5.2% of the time.

On-time arrivals
81.5%
Less than 15 minutes late
Cancelled
5.2%
Of scheduled flights
Average delay when late
79 min
Flights arriving 15+ minutes late
Flights tracked
58
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 52%
  • Airline (crew, maintenance, cleaning) 31%
  • Air traffic control & airport 17%
  • Extreme weather 0%
  • Security 0%

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

Cleveland (CLE) to Newark (EWR)

Historically, this flight arrives 15+ minutes late 27% of the time, and when it is late the delay averages 93 minutes. It was cancelled 0.0% of the time.

On-time arrivals
72.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
93 min
Flights arriving 15+ minutes late
Flights tracked
55
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 60%
  • Late-arriving aircraft 22%
  • Airline (crew, maintenance, cleaning) 19%
  • Extreme weather 0%
  • Security 0%

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

Chicago (ORD) to Indianapolis (IND)

Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 102 minutes. It was cancelled 2.7% of the time.

On-time arrivals
83.3%
Less than 15 minutes late
Cancelled
2.7%
Of scheduled flights
Average delay when late
102 min
Flights arriving 15+ minutes late
Flights tracked
37
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 60%
  • Airline (crew, maintenance, cleaning) 28%
  • Air traffic control & airport 12%
  • Extreme weather 0%
  • Security 0%

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

Newark (EWR) to Tampa (TPA)

Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 74 minutes. It was cancelled 0.0% of the time.

On-time arrivals
92.3%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
74 min
Flights arriving 15+ minutes late
Flights tracked
26
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 85%
  • Air traffic control & airport 15%
  • Airline (crew, maintenance, cleaning) 0%
  • Extreme weather 0%
  • Security 0%

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

Chicago (ORD) to Cleveland (CLE)

Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 74 minutes. It was cancelled 0.0% of the time.

On-time arrivals
92.3%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
74 min
Flights arriving 15+ minutes late
Flights tracked
26
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 87%
  • Air traffic control & airport 13%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Miami (MIA) to Newark (EWR)

Historically, this flight arrives 15+ minutes late 38% of the time, and when it is late the delay averages 131 minutes. It was cancelled 0.0% of the time.

On-time arrivals
62.5%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
131 min
Flights arriving 15+ minutes late
Flights tracked
24
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 80%
  • Air traffic control & airport 13%
  • Airline (crew, maintenance, cleaning) 6%
  • Extreme weather 1%
  • Security 0%

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

Newark (EWR) to Charlotte (CLT)

Historically, this flight arrives 15+ minutes late 29% of the time, and when it is late the delay averages 131 minutes. It was cancelled 0.0% of the time.

On-time arrivals
71.4%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
131 min
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 50%
  • Air traffic control & airport 25%
  • Late-arriving aircraft 25%
  • Extreme weather 0%
  • Security 0%

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

Newark (EWR) to Jackson (JAC)

Only 3 flights on record, which is too few for reliable odds.

On-time arrivals
100.0%
Less than 15 minutes late
Cancelled
33.3%
Of scheduled flights
Average delay when late
—
Flights arriving 15+ minutes late
Flights tracked
3
Scheduled flights in the period

In the news

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On-time arrivals by month
Sep 2025 Mar 2026
Show as table
MonthOn timeFlights
September 2025 74.6% 64
October 2025 87.7% 73
November 2025 79.3% 30
December 2025 100.0% 1
January 2026 79.2% 26
February 2026 80.8% 28
March 2026 67.9% 28

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.