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Flight OO4909

SkyWest Airlines flight OO4909

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Looking for OO4909 in the airโ€ฆ

Los Angeles (LAX) to Tucson (TUS)

Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 74 minutes. It was cancelled 1.3% of the time.

On-time arrivals
81.0%
Less than 15 minutes late
Cancelled
1.3%
Of scheduled flights
Average delay when late
74 min
Flights arriving 15+ minutes late
Flights tracked
155
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 63%
  • Late-arriving aircraft 31%
  • Extreme weather 5%
  • Air traffic control & airport 1%
  • Security 0%

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

Cleveland (CLE) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 41% of the time, and when it is late the delay averages 79 minutes. It was cancelled 10.5% of the time.

On-time arrivals
58.8%
Less than 15 minutes late
Cancelled
10.5%
Of scheduled flights
Average delay when late
79 min
Flights arriving 15+ minutes late
Flights tracked
76
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 35%
  • Air traffic control & airport 33%
  • Airline (crew, maintenance, cleaning) 32%
  • Security 1%
  • Extreme weather 0%

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

Chicago (ORD) to Cleveland (CLE)

Historically, this flight arrives 15+ minutes late 34% of the time, and when it is late the delay averages 78 minutes. It was cancelled 10.5% of the time.

On-time arrivals
66.2%
Less than 15 minutes late
Cancelled
10.5%
Of scheduled flights
Average delay when late
78 min
Flights arriving 15+ minutes late
Flights tracked
76
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 38%
  • Airline (crew, maintenance, cleaning) 34%
  • Air traffic control & airport 22%
  • Extreme weather 6%
  • Security 0%

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

Chicago (ORD) to Cincinnati / Covington (CVG)

Historically, this flight arrives 15+ minutes late 33% of the time, and when it is late the delay averages 84 minutes. It was cancelled 2.3% of the time.

On-time arrivals
67.4%
Less than 15 minutes late
Cancelled
2.3%
Of scheduled flights
Average delay when late
84 min
Flights arriving 15+ minutes late
Flights tracked
44
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 53%
  • Late-arriving aircraft 41%
  • Air traffic control & airport 5%
  • Extreme weather 0%
  • Security 0%

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

Tucson (TUS) to Phoenix (PHX)

Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 243 minutes. It was cancelled 0.0% of the time.

On-time arrivals
89.3%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
243 min
Flights arriving 15+ minutes late
Flights tracked
28
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 87%
  • Airline (crew, maintenance, cleaning) 13%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Chicago (ORD) to Detroit (DTW)

Historically, this flight arrives 15+ minutes late 48% of the time, and when it is late the delay averages 150 minutes. It was cancelled 0.0% of the time.

On-time arrivals
51.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
150 min
Flights arriving 15+ minutes late
Flights tracked
27
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 71%
  • Late-arriving aircraft 19%
  • Air traffic control & airport 10%
  • Extreme weather 0%
  • Security 0%

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

Chicago (ORD) to Milwaukee (MKE)

Historically, this flight arrives 15+ minutes late 52% of the time, and when it is late the delay averages 88 minutes. It was cancelled 7.4% of the time.

On-time arrivals
48.0%
Less than 15 minutes late
Cancelled
7.4%
Of scheduled flights
Average delay when late
88 min
Flights arriving 15+ minutes late
Flights tracked
27
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 32%
  • Air traffic control & airport 26%
  • Late-arriving aircraft 24%
  • Extreme weather 18%
  • Security 0%

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

Los Angeles (LAX) to Reno (RNO)

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
โ€”
Flights arriving 15+ minutes late
Flights tracked
2
Scheduled flights in the period

Reno (RNO) to Los Angeles (LAX)

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
23 min
Flights arriving 15+ minutes late
Flights tracked
2
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 91%
  • Airline (crew, maintenance, cleaning) 9%
  • 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 85.7% 28
October 2025 56.7% 30
November 2025 82.8% 30
December 2025 75.9% 30
January 2026 83.9% 31
February 2026 78.6% 28
March 2026 83.9% 31
April 2026 65.5% 30
May 2026 73.8% 42
June 2026 57.7% 60
July 2026 64.8% 62
August 2026 48.5% 35

Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 โ€“ 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.