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Flight OO3939

SkyWest Airlines flight OO3939

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Looking for OO3939 in the air…

Atlanta (ATL) to Richlands (OAJ)

Historically, this flight arrives 15+ minutes late 27% of the time, and when it is late the delay averages 223 minutes. It was cancelled 7.7% of the time.

On-time arrivals
73.1%
Less than 15 minutes late
Cancelled
7.7%
Of scheduled flights
Average delay when late
223 min
Flights arriving 15+ minutes late
Flights tracked
117
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 67%
  • Extreme weather 30%
  • Air traffic control & airport 2%
  • Late-arriving aircraft 0%
  • Security 0%

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

Detroit (DTW) to Dulles (IAD)

Historically, this flight arrives 15+ minutes late 50% of the time, and when it is late the delay averages 69 minutes. It was cancelled 3.2% of the time.

On-time arrivals
50.0%
Less than 15 minutes late
Cancelled
3.2%
Of scheduled flights
Average delay when late
69 min
Flights arriving 15+ minutes late
Flights tracked
62
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 75%
  • Air traffic control & airport 13%
  • Extreme weather 12%
  • Late-arriving aircraft 0%
  • Security 0%

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

Dulles (IAD) to Detroit (DTW)

Historically, this flight arrives 15+ minutes late 48% of the time, and when it is late the delay averages 82 minutes. It was cancelled 3.2% of the time.

On-time arrivals
51.7%
Less than 15 minutes late
Cancelled
3.2%
Of scheduled flights
Average delay when late
82 min
Flights arriving 15+ minutes late
Flights tracked
62
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 71%
  • Extreme weather 16%
  • Air traffic control & airport 13%
  • Late-arriving aircraft 0%
  • Security 0%

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

Minneapolis (MSP) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 37% of the time, and when it is late the delay averages 155 minutes. It was cancelled 12.9% of the time.

On-time arrivals
63.0%
Less than 15 minutes late
Cancelled
12.9%
Of scheduled flights
Average delay when late
155 min
Flights arriving 15+ minutes late
Flights tracked
31
Scheduled flights in the period

What caused the delays

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

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

San Jose (SJC) to Salt Lake City (SLC)

Only 12 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
12
Scheduled flights in the period

Salt Lake City (SLC) to San Jose (SJC)

Only 12 flights on record, which is too few for reliable odds.

On-time arrivals
91.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
54 min
Flights arriving 15+ minutes late
Flights tracked
12
Scheduled flights in the period

What caused the delays

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

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

Albany (ABY) to Atlanta (ATL)

Only 10 flights on record, which is too few for reliable odds.

On-time arrivals
90.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
368 min
Flights arriving 15+ minutes late
Flights tracked
10
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 95%
  • Air traffic control & airport 5%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Salt Lake City (SLC) to Burbank (BUR)

Only 10 flights on record, which is too few for reliable odds.

On-time arrivals
90.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
104 min
Flights arriving 15+ minutes late
Flights tracked
10
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 74%
  • Air traffic control & airport 26%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Buffalo (BUF) to Detroit (DTW)

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

Detroit (DTW) to Buffalo (BUF)

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

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 90.0% 10
October 2025 87.5% 8
November 2025 100.0% 2
December 2025 94.4% 18
January 2026 53.6% 60
February 2026 50.0% 56
March 2026 60.6% 35
April 2026 83.3% 14
May 2026 66.7% 27
June 2026 89.3% 30
July 2026 57.7% 31
August 2026 79.3% 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.