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Flight UA2437

United Airlines flight UA2437

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Looking for UA2437 in the air…

  • Advisory Coastal Flood Statement FLL

    COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY EVENING

    Weather

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

    COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST MONDAY

    Weather

Chicago (ORD) to Dulles (IAD)

Historically, this flight arrives 15+ minutes late 30% of the time, and when it is late the delay averages 103 minutes. It was cancelled 2.2% of the time.

On-time arrivals
69.7%
Less than 15 minutes late
Cancelled
2.2%
Of scheduled flights
Average delay when late
103 min
Flights arriving 15+ minutes late
Flights tracked
135
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 43%
  • Air traffic control & airport 33%
  • Airline (crew, maintenance, cleaning) 18%
  • Extreme weather 6%
  • Security 0%

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

Kansas City (MCI) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 151 minutes. It was cancelled 0.8% of the time.

On-time arrivals
79.7%
Less than 15 minutes late
Cancelled
0.8%
Of scheduled flights
Average delay when late
151 min
Flights arriving 15+ minutes late
Flights tracked
124
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 57%
  • Airline (crew, maintenance, cleaning) 28%
  • Late-arriving aircraft 15%
  • Extreme weather 0%
  • Security 0%

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

San Francisco (SFO) to Newark (EWR)

Historically, this flight arrives 15+ minutes late 36% of the time, and when it is late the delay averages 92 minutes. It was cancelled 0.0% of the time.

On-time arrivals
63.6%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
92 min
Flights arriving 15+ minutes late
Flights tracked
55
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 54%
  • Air traffic control & airport 31%
  • Airline (crew, maintenance, cleaning) 15%
  • Extreme weather 0%
  • Security 0%

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

San Francisco (SFO) to Salt Lake City (SLC)

Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 61 minutes. It was cancelled 0.0% of the time.

On-time arrivals
88.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
61 min
Flights arriving 15+ minutes late
Flights tracked
53
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 69%
  • Air traffic control & airport 17%
  • Airline (crew, maintenance, cleaning) 14%
  • Extreme weather 0%
  • Security 0%

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

San Francisco (SFO) to New Orleans (MSY)

Historically, this flight arrives 15+ minutes late 26% of the time, and when it is late the delay averages 89 minutes. It was cancelled 0.0% of the time.

On-time arrivals
73.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
89 min
Flights arriving 15+ minutes late
Flights tracked
42
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 81%
  • Airline (crew, maintenance, cleaning) 16%
  • Air traffic control & airport 2%
  • Extreme weather 0%
  • Security 0%

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

Dulles (IAD) to Houston (IAH)

Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 53 minutes. It was cancelled 0.0% of the time.

On-time arrivals
88.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
53 min
Flights arriving 15+ minutes late
Flights tracked
27
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 77%
  • Air traffic control & airport 23%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Denver (DEN) to Philadelphia (PHL)

Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 30 minutes. It was cancelled 0.0% of the time.

On-time arrivals
75.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
30 min
Flights arriving 15+ minutes late
Flights tracked
24
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 58%
  • Late-arriving aircraft 39%
  • Airline (crew, maintenance, cleaning) 3%
  • Extreme weather 0%
  • Security 0%

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

Newark (EWR) to New Orleans (MSY)

Historically, this flight arrives 15+ minutes late 30% of the time, and when it is late the delay averages 42 minutes. It was cancelled 4.2% of the time.

On-time arrivals
69.6%
Less than 15 minutes late
Cancelled
4.2%
Of scheduled flights
Average delay when late
42 min
Flights arriving 15+ minutes late
Flights tracked
24
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 56%
  • Late-arriving aircraft 41%
  • Air traffic control & airport 3%
  • Extreme weather 0%
  • Security 0%

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

Fort Lauderdale (FLL) to Houston (IAH)

Only 19 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
19
Scheduled flights in the period

Denver (DEN) to Kansas City (MCI)

Only 18 flights on record, which is too few for reliable odds.

On-time arrivals
94.4%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
27 min
Flights arriving 15+ minutes late
Flights tracked
18
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).

In the news

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 66.7% 30
October 2025 64.5% 31
November 2025 83.3% 30
December 2025 96.8% 31
January 2026 73.9% 23
February 2026 81.0% 21
March 2026 72.7% 56
April 2026 77.2% 57
May 2026 74.7% 79
June 2026 83.3% 60
July 2026 78.0% 62
August 2026 72.5% 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

Latest airport & airline headlines

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