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Flight UA1513

United Airlines flight UA1513

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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

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

    COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST MONDAY

    Weather

Key West (EYW) to Newark (EWR)

Historically, this flight arrives 15+ minutes late 27% of the time, and when it is late the delay averages 136 minutes. It was cancelled 2.1% of the time.

On-time arrivals
72.9%
Less than 15 minutes late
Cancelled
2.1%
Of scheduled flights
Average delay when late
136 min
Flights arriving 15+ minutes late
Flights tracked
289
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 32%
  • Air traffic control & airport 31%
  • Airline (crew, maintenance, cleaning) 25%
  • Extreme weather 12%
  • Security 0%

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

Newark (EWR) to San Diego (SAN)

Historically, this flight arrives 15+ minutes late 53% of the time, and when it is late the delay averages 78 minutes. It was cancelled 6.5% of the time.

On-time arrivals
46.5%
Less than 15 minutes late
Cancelled
6.5%
Of scheduled flights
Average delay when late
78 min
Flights arriving 15+ minutes late
Flights tracked
46
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 44%
  • Late-arriving aircraft 41%
  • Air traffic control & airport 15%
  • Extreme weather 0%
  • Security 0%

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

Reno (RNO) to San Francisco (SFO)

Historically, this flight arrives 15+ minutes late 27% of the time, and when it is late the delay averages 45 minutes. It was cancelled 0.0% of the time.

On-time arrivals
72.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
45 min
Flights arriving 15+ minutes late
Flights tracked
44
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 71%
  • Late-arriving aircraft 23%
  • Airline (crew, maintenance, cleaning) 6%
  • Extreme weather 0%
  • Security 0%

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

Newark (EWR) to Buffalo (BUF)

Historically, this flight arrives 15+ minutes late 44% of the time, and when it is late the delay averages 103 minutes. It was cancelled 2.9% of the time.

On-time arrivals
55.9%
Less than 15 minutes late
Cancelled
2.9%
Of scheduled flights
Average delay when late
103 min
Flights arriving 15+ minutes late
Flights tracked
35
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 73%
  • Airline (crew, maintenance, cleaning) 22%
  • Air traffic control & airport 6%
  • Extreme weather 0%
  • Security 0%

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

Newark (EWR) to Los Angeles (LAX)

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

On-time arrivals
88.9%
Less than 15 minutes late
Cancelled
5.3%
Of scheduled flights
Average delay when late
39 min
Flights arriving 15+ minutes late
Flights tracked
19
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 50%
  • Air traffic control & airport 34%
  • Late-arriving aircraft 16%
  • Extreme weather 0%
  • Security 0%

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

Denver (DEN) to Reno (RNO)

Only 15 flights on record, which is too few for reliable odds.

On-time arrivals
93.3%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
69 min
Flights arriving 15+ minutes late
Flights tracked
15
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 100%
  • Airline (crew, maintenance, cleaning) 0%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

St Louis (STL) to Houston (IAH)

Only 3 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
3
Scheduled flights in the period

Los Angeles (LAX) to Seattle (SEA)

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

Chicago (ORD) to Cincinnati / Covington (CVG)

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

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 75.0% 20
October 2025 63.9% 37
November 2025 63.2% 59
December 2025 71.0% 31
January 2026 76.2% 44
February 2026 93.5% 34
March 2026 77.4% 31
April 2026 86.7% 30
May 2026 70.0% 31
June 2026 66.7% 36
July 2026 50.9% 61
August 2026 75.7% 39

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.