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Flight UA1990

United Airlines flight UA1990

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  • Advisory Coastal Flood Advisory OAK, SFO, SQL, STS

    COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST MONDAY

    Weather

Austin (AUS) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 43% of the time, and when it is late the delay averages 82 minutes. It was cancelled 1.6% of the time.

On-time arrivals
57.2%
Less than 15 minutes late
Cancelled
1.6%
Of scheduled flights
Average delay when late
82 min
Flights arriving 15+ minutes late
Flights tracked
255
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 63%
  • Late-arriving aircraft 29%
  • Airline (crew, maintenance, cleaning) 7%
  • Extreme weather 0%
  • Security 0%

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

Los Angeles (LAX) to Austin (AUS)

Historically, this flight arrives 15+ minutes late 12% of the time, and when it is late the delay averages 71 minutes. It was cancelled 0.0% of the time.

On-time arrivals
87.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
71 min
Flights arriving 15+ minutes late
Flights tracked
173
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 43%
  • Air traffic control & airport 31%
  • Late-arriving aircraft 26%
  • Extreme weather 0%
  • Security 0%

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

Dulles (IAD) to Los Angeles (LAX)

Historically, this flight arrives 15+ minutes late 10% of the time, and when it is late the delay averages 34 minutes. It was cancelled 0.0% of the time.

On-time arrivals
90.3%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
34 min
Flights arriving 15+ minutes late
Flights tracked
31
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 53%
  • Airline (crew, maintenance, cleaning) 47%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Memphis (MEM) to Houston (IAH)

Only 16 flights on record, which is too few for reliable odds.

On-time arrivals
68.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
39 min
Flights arriving 15+ minutes late
Flights tracked
16
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 84%
  • Airline (crew, maintenance, cleaning) 16%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Chicago (ORD) to Detroit (DTW)

Only 16 flights on record, which is too few for reliable odds.

On-time arrivals
56.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
127 min
Flights arriving 15+ minutes late
Flights tracked
16
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 65%
  • Extreme weather 27%
  • Airline (crew, maintenance, cleaning) 5%
  • Air traffic control & airport 3%
  • Security 0%

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

Chicago (ORD) to Minneapolis (MSP)

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

Chicago (ORD) to San Francisco (SFO)

Only 2 flights on record, which is too few for reliable odds.

On-time arrivals
100.0%
Less than 15 minutes late
Cancelled
50.0%
Of scheduled flights
Average delay when late
—
Flights arriving 15+ minutes late
Flights tracked
2
Scheduled flights in the period

Chicago (ORD) to Madison (MSN)

Only 1 flight 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
1
Scheduled flights in the period

In the news

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 75.0% 32
October 2025 88.2% 51
November 2025 51.7% 31
December 2025 58.1% 31
January 2026 85.2% 27
February 2026 95.8% 24
March 2026 70.2% 58
April 2026 72.7% 77
May 2026 67.9% 53
June 2026 56.7% 30
July 2026 51.9% 30
August 2026 69.2% 52

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.