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Flight UA2310

United Airlines flight UA2310

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  • Watch Ground Delay Program SAN

    Ground Delay Program at San Diego International Airport (SAN): Average 37 minutes, up to 1 hour and 11 minutes

    Reason: airport volume

    Airport status

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  • Advisory Coastal Flood Advisory CLD, SAN, SNA

    COASTAL FLOOD ADVISORY IN EFFECT FROM 4 AM FRIDAY TO NOON PST TUESDAY

    Weather

Houston (IAH) to Orlando (MCO)

Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 75 minutes. It was cancelled 0.0% of the time.

On-time arrivals
86.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
75 min
Flights arriving 15+ minutes late
Flights tracked
180
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 52%
  • Late-arriving aircraft 22%
  • Airline (crew, maintenance, cleaning) 18%
  • Extreme weather 7%
  • Security 0%

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

Chicago (ORD) to Houston (IAH)

Historically, this flight arrives 15+ minutes late 10% of the time, and when it is late the delay averages 51 minutes. It was cancelled 0.0% of the time.

On-time arrivals
90.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
51 min
Flights arriving 15+ minutes late
Flights tracked
82
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 57%
  • Air traffic control & airport 24%
  • Airline (crew, maintenance, cleaning) 18%
  • Extreme weather 0%
  • Security 0%

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

Newark (EWR) to Sacramento (SMF)

Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 56 minutes. It was cancelled 0.0% of the time.

On-time arrivals
76.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
56 min
Flights arriving 15+ minutes late
Flights tracked
52
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 58%
  • Airline (crew, maintenance, cleaning) 26%
  • Late-arriving aircraft 16%
  • Extreme weather 0%
  • Security 0%

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

Orlando (MCO) to Newark (EWR)

Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 48 minutes. It was cancelled 2.5% of the time.

On-time arrivals
82.1%
Less than 15 minutes late
Cancelled
2.5%
Of scheduled flights
Average delay when late
48 min
Flights arriving 15+ minutes late
Flights tracked
40
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 59%
  • Air traffic control & airport 33%
  • Airline (crew, maintenance, cleaning) 9%
  • Extreme weather 0%
  • Security 0%

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

Newark (EWR) to Portland (PDX)

Historically, this flight arrives 15+ minutes late 6% of the time, and when it is late the delay averages 48 minutes. It was cancelled 2.7% of the time.

On-time arrivals
94.4%
Less than 15 minutes late
Cancelled
2.7%
Of scheduled flights
Average delay when late
48 min
Flights arriving 15+ minutes late
Flights tracked
37
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).

Los Angeles (LAX) to Houston (IAH)

Historically, this flight arrives 15+ minutes late 6% of the time, and when it is late the delay averages 81 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
81 min
Flights arriving 15+ minutes late
Flights tracked
31
Scheduled flights in the period

What caused the delays

  • Extreme weather 85%
  • Air traffic control & airport 10%
  • Airline (crew, maintenance, cleaning) 5%
  • Late-arriving aircraft 1%
  • Security 0%

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

Newark (EWR) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 48% of the time, and when it is late the delay averages 51 minutes. It was cancelled 4.2% of the time.

On-time arrivals
52.2%
Less than 15 minutes late
Cancelled
4.2%
Of scheduled flights
Average delay when late
51 min
Flights arriving 15+ minutes late
Flights tracked
24
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 58%
  • Air traffic control & airport 35%
  • Airline (crew, maintenance, cleaning) 7%
  • Extreme weather 0%
  • Security 0%

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

Denver (DEN) to Orlando (MCO)

Only 17 flights on record, which is too few for reliable odds.

On-time arrivals
88.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
144 min
Flights arriving 15+ minutes late
Flights tracked
17
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 81%
  • Airline (crew, maintenance, cleaning) 13%
  • Air traffic control & airport 6%
  • Extreme weather 0%
  • Security 0%

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

Sacramento (SMF) to Chicago (ORD)

Only 2 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
24 min
Flights arriving 15+ minutes late
Flights tracked
2
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).

San Diego (SAN) to Newark (EWR)

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 63.3% 31
October 2025 90.3% 31
November 2025 77.4% 31
December 2025 74.4% 43
January 2026 91.4% 36
February 2026 96.3% 28
March 2026 87.1% 31
April 2026 93.3% 30
May 2026 80.5% 42
June 2026 86.7% 60
July 2026 88.5% 62
August 2026 87.8% 41

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

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Headlines found by Google News; stories open on the publisher's site.