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Flight UA1866

United Airlines flight UA1866

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Looking for UA1866 in the air…

Orlando (MCO) to Newark (EWR)

Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 92 minutes. It was cancelled 0.5% of the time.

On-time arrivals
80.3%
Less than 15 minutes late
Cancelled
0.5%
Of scheduled flights
Average delay when late
92 min
Flights arriving 15+ minutes late
Flights tracked
194
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 71%
  • Late-arriving aircraft 18%
  • Airline (crew, maintenance, cleaning) 11%
  • Extreme weather 0%
  • Security 0%

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

Greenville/Greer/Spartanburg (GSP) to Denver (DEN)

Historically, this flight arrives 15+ minutes late 30% of the time, and when it is late the delay averages 89 minutes. It was cancelled 0.0% of the time.

On-time arrivals
69.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
89 min
Flights arriving 15+ minutes late
Flights tracked
46
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 50%
  • Air traffic control & airport 22%
  • Extreme weather 15%
  • Late-arriving aircraft 13%
  • Security 0%

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

Newark (EWR) to Fort Myers (RSW)

Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 51 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
51 min
Flights arriving 15+ minutes late
Flights tracked
37
Scheduled flights in the period

What caused the delays

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

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

Madison (MSN) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 10% of the time, and when it is late the delay averages 57 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
57 min
Flights arriving 15+ minutes late
Flights tracked
30
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 85%
  • Air traffic control & airport 8%
  • Airline (crew, maintenance, cleaning) 7%
  • Extreme weather 0%
  • Security 0%

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

New Orleans (MSY) to Newark (EWR)

Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 109 minutes. It was cancelled 0.0% of the time.

On-time arrivals
88.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
109 min
Flights arriving 15+ minutes late
Flights tracked
27
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 76%
  • Air traffic control & airport 22%
  • Airline (crew, maintenance, cleaning) 2%
  • Extreme weather 0%
  • Security 0%

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

Grand Rapids (GRR) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 57% of the time, and when it is late the delay averages 94 minutes. It was cancelled 4.2% of the time.

On-time arrivals
43.5%
Less than 15 minutes late
Cancelled
4.2%
Of scheduled flights
Average delay when late
94 min
Flights arriving 15+ minutes late
Flights tracked
24
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 71%
  • Air traffic control & airport 26%
  • Airline (crew, maintenance, cleaning) 3%
  • Extreme weather 0%
  • Security 0%

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

Newark (EWR) to Jackson (JAC)

Historically, this flight arrives 15+ minutes late 40% of the time, and when it is late the delay averages 58 minutes. It was cancelled 4.8% of the time.

On-time arrivals
60.0%
Less than 15 minutes late
Cancelled
4.8%
Of scheduled flights
Average delay when late
58 min
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 50%
  • Late-arriving aircraft 35%
  • Airline (crew, maintenance, cleaning) 8%
  • Extreme weather 7%
  • Security 0%

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

Chicago (ORD) to Baltimore (BWI)

Only 14 flights on record, which is too few for reliable odds.

On-time arrivals
85.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
82 min
Flights arriving 15+ minutes late
Flights tracked
14
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 80%
  • Air traffic control & airport 20%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Chicago (ORD) to Newark (EWR)

Only 9 flights on record, which is too few for reliable odds.

On-time arrivals
88.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
74 min
Flights arriving 15+ minutes late
Flights tracked
9
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).

Myrtle Beach (MYR) to Chicago (ORD)

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

South Bend (SBN) to Los Angeles (LAX)

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
28 min
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 86%
  • Air traffic control & airport 14%
  • 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 73.3% 30
October 2025 75.6% 45
November 2025 70.0% 30
December 2025 87.1% 31
January 2026 81.6% 50
February 2026 88.6% 36
March 2026 87.1% 31
April 2026 93.3% 30
May 2026 90.3% 31
June 2026 41.4% 30
July 2026 67.9% 30
August 2026 72.4% 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.