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Flight UA1620

United Airlines flight UA1620

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

    COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST MONDAY

    Weather

Chicago (ORD) to Miami (MIA)

Historically, this flight arrives 15+ minutes late 27% of the time, and when it is late the delay averages 77 minutes. It was cancelled 1.1% of the time.

On-time arrivals
72.7%
Less than 15 minutes late
Cancelled
1.1%
Of scheduled flights
Average delay when late
77 min
Flights arriving 15+ minutes late
Flights tracked
180
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 39%
  • Late-arriving aircraft 30%
  • Airline (crew, maintenance, cleaning) 16%
  • Extreme weather 14%
  • Security 0%

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

Chicago (ORD) to Seattle (SEA)

Historically, this flight arrives 15+ minutes late 15% of the time, and when it is late the delay averages 99 minutes. It was cancelled 0.0% of the time.

On-time arrivals
84.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
99 min
Flights arriving 15+ minutes late
Flights tracked
106
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 51%
  • Late-arriving aircraft 35%
  • Air traffic control & airport 12%
  • Extreme weather 2%
  • Security 0%

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

Atlanta (ATL) to Houston (IAH)

Historically, this flight arrives 15+ minutes late 6% of the time, and when it is late the delay averages 86 minutes. It was cancelled 0.0% of the time.

On-time arrivals
93.5%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
86 min
Flights arriving 15+ minutes late
Flights tracked
31
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).

Seattle (SEA) to San Francisco (SFO)

Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 87 minutes. It was cancelled 0.0% of the time.

On-time arrivals
91.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
87 min
Flights arriving 15+ minutes late
Flights tracked
24
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 81%
  • Late-arriving aircraft 19%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Providence/Warwick (PVD) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 10% of the time, and when it is late the delay averages 61 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
61 min
Flights arriving 15+ minutes late
Flights tracked
22
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 63%
  • Airline (crew, maintenance, cleaning) 37%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

Dallas-Fort Worth (DFW) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 77 minutes. It was cancelled 0.0% of the time.

On-time arrivals
85.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
77 min
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 75%
  • Air traffic control & airport 25%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Newark (EWR) to Dulles (IAD)

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

On-time arrivals
52.6%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
56 min
Flights arriving 15+ minutes late
Flights tracked
19
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 59%
  • Airline (crew, maintenance, cleaning) 29%
  • Air traffic control & airport 9%
  • Extreme weather 3%
  • Security 0%

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

Jackson (JAC) to Newark (EWR)

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

On-time arrivals
38.9%
Less than 15 minutes late
Cancelled
5.3%
Of scheduled flights
Average delay when late
77 min
Flights arriving 15+ minutes late
Flights tracked
19
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 44%
  • Air traffic control & airport 33%
  • Extreme weather 15%
  • Airline (crew, maintenance, cleaning) 7%
  • Security 0%

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

San Francisco (SFO) to Austin (AUS)

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

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 92.0% 76
October 2025 93.5% 31
November 2025 83.3% 30
December 2025 48.8% 45
January 2026 80.6% 31
February 2026 85.2% 27
March 2026 64.5% 31
April 2026 76.7% 30
May 2026 77.4% 31
June 2026 83.3% 30
July 2026 77.8% 31
August 2026 61.3% 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.