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Flight UA1617

United Airlines flight UA1617

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Looking for UA1617 in the air…

Houston (IAH) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 10% of the time, and when it is late the delay averages 62 minutes. It was cancelled 0.6% of the time.

On-time arrivals
89.5%
Less than 15 minutes late
Cancelled
0.6%
Of scheduled flights
Average delay when late
62 min
Flights arriving 15+ minutes late
Flights tracked
309
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 64%
  • Airline (crew, maintenance, cleaning) 30%
  • Late-arriving aircraft 5%
  • 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 44% of the time, and when it is late the delay averages 94 minutes. It was cancelled 12.3% of the time.

On-time arrivals
56.1%
Less than 15 minutes late
Cancelled
12.3%
Of scheduled flights
Average delay when late
94 min
Flights arriving 15+ minutes late
Flights tracked
65
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 69%
  • Late-arriving aircraft 22%
  • Airline (crew, maintenance, cleaning) 9%
  • Extreme weather 0%
  • Security 0%

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

Chicago (ORD) to Madison (MSN)

Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 70 minutes. It was cancelled 1.6% of the time.

On-time arrivals
77.4%
Less than 15 minutes late
Cancelled
1.6%
Of scheduled flights
Average delay when late
70 min
Flights arriving 15+ minutes late
Flights tracked
63
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 79%
  • Air traffic control & airport 12%
  • Extreme weather 5%
  • Airline (crew, maintenance, cleaning) 4%
  • Security 0%

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

Chicago (ORD) to Philadelphia (PHL)

Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 49 minutes. It was cancelled 0.0% of the time.

On-time arrivals
78.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
49 min
Flights arriving 15+ minutes late
Flights tracked
55
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 51%
  • Late-arriving aircraft 26%
  • Airline (crew, maintenance, cleaning) 23%
  • Extreme weather 0%
  • Security 0%

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

Orlando (MCO) to Dulles (IAD)

Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 45 minutes. It was cancelled 2.7% of the time.

On-time arrivals
88.9%
Less than 15 minutes late
Cancelled
2.7%
Of scheduled flights
Average delay when late
45 min
Flights arriving 15+ minutes late
Flights tracked
37
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 49%
  • Air traffic control & airport 34%
  • Airline (crew, maintenance, cleaning) 17%
  • Extreme weather 0%
  • Security 0%

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

Chicago (ORD) to Seattle (SEA)

Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 56 minutes. It was cancelled 0.0% of the time.

On-time arrivals
81.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
56 min
Flights arriving 15+ minutes late
Flights tracked
32
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 43%
  • Extreme weather 37%
  • Air traffic control & airport 13%
  • Airline (crew, maintenance, cleaning) 7%
  • Security 0%

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

Denver (DEN) to Pittsburgh (PIT)

Only 19 flights on record, which is too few for reliable odds.

On-time arrivals
84.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
55 min
Flights arriving 15+ minutes late
Flights tracked
19
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 62%
  • Late-arriving aircraft 38%
  • 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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Headlines found by Google News; stories open on the publisher's site.

On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 83.3% 60
October 2025 89.3% 56
November 2025 89.7% 30
December 2025 87.1% 31
January 2026 81.1% 53
February 2026 86.3% 52
March 2026 84.6% 56
April 2026 83.9% 31
May 2026 90.2% 51
June 2026 91.7% 36
July 2026 69.6% 62
August 2026 70.0% 62

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.