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Flight UA1331

United Airlines flight UA1331

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Looking for UA1331 in the air…

Newark (EWR) to Phoenix (PHX)

Historically, this flight arrives 15+ minutes late 38% of the time, and when it is late the delay averages 63 minutes. It was cancelled 1.0% of the time.

On-time arrivals
62.4%
Less than 15 minutes late
Cancelled
1.0%
Of scheduled flights
Average delay when late
63 min
Flights arriving 15+ minutes late
Flights tracked
102
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 54%
  • Air traffic control & airport 28%
  • Airline (crew, maintenance, cleaning) 18%
  • Extreme weather 0%
  • Security 0%

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

Nashville (BNA) to Newark (EWR)

Historically, this flight arrives 15+ minutes late 45% of the time, and when it is late the delay averages 93 minutes. It was cancelled 2.9% of the time.

On-time arrivals
55.2%
Less than 15 minutes late
Cancelled
2.9%
Of scheduled flights
Average delay when late
93 min
Flights arriving 15+ minutes late
Flights tracked
70
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 54%
  • Late-arriving aircraft 33%
  • Airline (crew, maintenance, cleaning) 12%
  • Extreme weather 1%
  • Security 0%

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

Houston (IAH) to Las Vegas (LAS)

Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 66 minutes. It was cancelled 0.0% of the time.

On-time arrivals
85.5%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
66 min
Flights arriving 15+ minutes late
Flights tracked
69
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 43%
  • Air traffic control & airport 41%
  • Late-arriving aircraft 16%
  • Extreme weather 0%
  • Security 0%

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

Newark (EWR) to Minneapolis (MSP)

Historically, this flight arrives 15+ minutes late 38% of the time, and when it is late the delay averages 74 minutes. It was cancelled 9.0% of the time.

On-time arrivals
62.3%
Less than 15 minutes late
Cancelled
9.0%
Of scheduled flights
Average delay when late
74 min
Flights arriving 15+ minutes late
Flights tracked
67
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 66%
  • Airline (crew, maintenance, cleaning) 29%
  • Air traffic control & airport 5%
  • Extreme weather 0%
  • Security 0%

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

Newark (EWR) to Dallas-Fort Worth (DFW)

Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 105 minutes. It was cancelled 5.7% of the time.

On-time arrivals
78.8%
Less than 15 minutes late
Cancelled
5.7%
Of scheduled flights
Average delay when late
105 min
Flights arriving 15+ minutes late
Flights tracked
35
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 69%
  • Air traffic control & airport 14%
  • Airline (crew, maintenance, cleaning) 13%
  • Extreme weather 4%
  • Security 0%

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

Savannah (SAV) to Newark (EWR)

Historically, this flight arrives 15+ minutes late 62% of the time, and when it is late the delay averages 62 minutes. It was cancelled 0.0% of the time.

On-time arrivals
38.5%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
62 min
Flights arriving 15+ minutes late
Flights tracked
26
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 65%
  • Late-arriving aircraft 30%
  • Airline (crew, maintenance, cleaning) 5%
  • Extreme weather 0%
  • Security 0%

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

Houston (IAH) to Boston (BOS)

Historically, this flight arrives 15+ minutes late 29% of the time, and when it is late the delay averages 79 minutes. It was cancelled 0.0% of the time.

On-time arrivals
70.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
79 min
Flights arriving 15+ minutes late
Flights tracked
24
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 40%
  • Airline (crew, maintenance, cleaning) 36%
  • Late-arriving aircraft 23%
  • Extreme weather 0%
  • Security 0%

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

Durango (DRO) to Denver (DEN)

Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 100 minutes. It was cancelled 0.0% of the time.

On-time arrivals
81.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
100 min
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 80%
  • Airline (crew, maintenance, cleaning) 13%
  • Late-arriving aircraft 7%
  • Extreme weather 0%
  • Security 0%

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

In the news

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 79.4% 35
October 2025 43.9% 58
November 2025 47.2% 55
December 2025 50.0% 26
January 2026 83.3% 30
February 2026 82.1% 28
March 2026 77.4% 31
April 2026 80.0% 30
May 2026 90.0% 30
June 2026 71.4% 30
July 2026 61.5% 30
August 2026 62.1% 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.