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Flight UA1278

United Airlines flight UA1278

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Looking for UA1278 in the air…

  • Advisory Coastal Flood Statement FLL

    COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY EVENING

    Weather

Sacramento (SMF) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 15% of the time, and when it is late the delay averages 89 minutes. It was cancelled 1.4% of the time.

On-time arrivals
85.0%
Less than 15 minutes late
Cancelled
1.4%
Of scheduled flights
Average delay when late
89 min
Flights arriving 15+ minutes late
Flights tracked
218
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 60%
  • Late-arriving aircraft 36%
  • Airline (crew, maintenance, cleaning) 4%
  • Extreme weather 0%
  • Security 0%

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

Chicago (ORD) to New York (LGA)

Historically, this flight arrives 15+ minutes late 45% of the time, and when it is late the delay averages 71 minutes. It was cancelled 0.0% of the time.

On-time arrivals
54.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
71 min
Flights arriving 15+ minutes late
Flights tracked
31
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 49%
  • Air traffic control & airport 46%
  • Airline (crew, maintenance, cleaning) 5%
  • Extreme weather 0%
  • Security 0%

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

Chicago (ORD) to San Antonio (SAT)

Historically, this flight arrives 15+ minutes late 45% of the time, and when it is late the delay averages 56 minutes. It was cancelled 0.0% of the time.

On-time arrivals
55.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
56 min
Flights arriving 15+ minutes late
Flights tracked
29
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 38%
  • Airline (crew, maintenance, cleaning) 32%
  • Late-arriving aircraft 22%
  • Extreme weather 8%
  • Security 0%

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

Newark (EWR) to Bozeman (BZN)

Historically, this flight arrives 15+ minutes late 4% of the time, and when it is late the delay averages 59 minutes. It was cancelled 0.0% of the time.

On-time arrivals
95.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
59 min
Flights arriving 15+ minutes late
Flights tracked
24
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).

Fort Lauderdale (FLL) to Houston (IAH)

Historically, this flight arrives 15+ minutes late 10% of the time, and when it is late the delay averages 26 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
26 min
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 51%
  • Extreme weather 49%
  • Late-arriving aircraft 0%
  • Air traffic control & airport 0%
  • Security 0%

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

Chicago (ORD) to Jacksonville (JAX)

Only 18 flights on record, which is too few for reliable odds.

On-time arrivals
50.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
99 min
Flights arriving 15+ minutes late
Flights tracked
18
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 76%
  • Airline (crew, maintenance, cleaning) 18%
  • Air traffic control & airport 6%
  • Extreme weather 0%
  • Security 0%

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

Chicago (ORD) to Boston (BOS)

Only 12 flights on record, which is too few for reliable odds.

On-time arrivals
41.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
92 min
Flights arriving 15+ minutes late
Flights tracked
12
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 42%
  • Extreme weather 41%
  • Airline (crew, maintenance, cleaning) 14%
  • Air traffic control & airport 4%
  • 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 94.4% 36
October 2025 76.4% 56
November 2025 88.9% 29
December 2025 82.4% 17
January 2026 65.4% 26
February 2026 92.9% 28
March 2026 69.2% 52
April 2026 71.4% 57
May 2026 61.3% 31
August 2026 90.5% 21

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.