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Flight OO4998

SkyWest Airlines flight OO4998

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Looking for OO4998 in the airโ€ฆ

Houston (HOU) to Dallas-Fort Worth (DFW)

Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 116 minutes. It was cancelled 10.2% of the time.

On-time arrivals
92.5%
Less than 15 minutes late
Cancelled
10.2%
Of scheduled flights
Average delay when late
116 min
Flights arriving 15+ minutes late
Flights tracked
59
Scheduled flights in the period

What caused the delays

  • Extreme weather 37%
  • Airline (crew, maintenance, cleaning) 33%
  • Air traffic control & airport 30%
  • Late-arriving aircraft 0%
  • Security 0%

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

Dayton (DAY) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 26% of the time, and when it is late the delay averages 92 minutes. It was cancelled 11.4% of the time.

On-time arrivals
74.4%
Less than 15 minutes late
Cancelled
11.4%
Of scheduled flights
Average delay when late
92 min
Flights arriving 15+ minutes late
Flights tracked
44
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 41%
  • Airline (crew, maintenance, cleaning) 29%
  • Air traffic control & airport 27%
  • Extreme weather 3%
  • Security 0%

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

Chicago (ORD) to Dayton (DAY)

Historically, this flight arrives 15+ minutes late 41% of the time, and when it is late the delay averages 63 minutes. It was cancelled 6.8% of the time.

On-time arrivals
58.5%
Less than 15 minutes late
Cancelled
6.8%
Of scheduled flights
Average delay when late
63 min
Flights arriving 15+ minutes late
Flights tracked
44
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 45%
  • Late-arriving aircraft 36%
  • Air traffic control & airport 14%
  • Extreme weather 5%
  • Security 0%

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

Chicago (ORD) to Milwaukee (MKE)

Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 63 minutes. It was cancelled 3.0% of the time.

On-time arrivals
90.6%
Less than 15 minutes late
Cancelled
3.0%
Of scheduled flights
Average delay when late
63 min
Flights arriving 15+ minutes late
Flights tracked
33
Scheduled flights in the period

What caused the delays

  • Extreme weather 57%
  • Airline (crew, maintenance, cleaning) 31%
  • Air traffic control & airport 12%
  • Late-arriving aircraft 0%
  • Security 0%

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

Sioux Falls (FSD) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 67% of the time, and when it is late the delay averages 76 minutes. It was cancelled 0.0% of the time.

On-time arrivals
33.3%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
76 min
Flights arriving 15+ minutes late
Flights tracked
27
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 53%
  • Late-arriving aircraft 23%
  • Security 9%
  • Extreme weather 8%
  • Air traffic control & airport 6%

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

Houston (IAH) to Los Angeles (LAX)

Historically, this flight arrives 15+ minutes late 15% of the time, and when it is late the delay averages 70 minutes. It was cancelled 0.0% of the time.

On-time arrivals
85.2%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
70 min
Flights arriving 15+ minutes late
Flights tracked
27
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 81%
  • Air traffic control & airport 10%
  • Extreme weather 9%
  • Airline (crew, maintenance, cleaning) 0%
  • Security 0%

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

Los Angeles (LAX) to Houston (IAH)

Historically, this flight arrives 15+ minutes late 37% of the time, and when it is late the delay averages 46 minutes. It was cancelled 0.0% of the time.

On-time arrivals
63.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
46 min
Flights arriving 15+ minutes late
Flights tracked
27
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 53%
  • Air traffic control & airport 29%
  • Extreme weather 12%
  • Airline (crew, maintenance, cleaning) 5%
  • Security 0%

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

Milwaukee (MKE) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 46 minutes. It was cancelled 4.8% of the time.

On-time arrivals
80.0%
Less than 15 minutes late
Cancelled
4.8%
Of scheduled flights
Average delay when late
46 min
Flights arriving 15+ minutes late
Flights tracked
21
Scheduled flights in the period

What caused the delays

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

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

Cedar Rapids (CID) to Chicago (ORD)

Only 1 flight on record, which is too few for reliable odds.

On-time arrivals
0.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
15 min
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

What caused the delays

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

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

Tulsa (TUL) to Chicago (ORD)

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
โ€”
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

In the news

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 89.7% 30
October 2025 45.2% 31
November 2025 91.3% 28
December 2025 83.3% 31
January 2026 87.5% 17
February 2026 100.0% 4
April 2026 73.3% 48
May 2026 55.6% 41
August 2026 74.1% 54

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.