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Flight OO4888

SkyWest Airlines flight OO4888

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Looking for OO4888 in the air…

Phoenix (PHX) to Palm Springs (PSP)

Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 109 minutes. It was cancelled 3.0% of the time.

On-time arrivals
80.6%
Less than 15 minutes late
Cancelled
3.0%
Of scheduled flights
Average delay when late
109 min
Flights arriving 15+ minutes late
Flights tracked
101
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 61%
  • Airline (crew, maintenance, cleaning) 36%
  • Air traffic control & airport 3%
  • Extreme weather 1%
  • Security 0%

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

Chicago (ORD) to Milwaukee (MKE)

Historically, this flight arrives 15+ minutes late 49% of the time, and when it is late the delay averages 104 minutes. It was cancelled 5.3% of the time.

On-time arrivals
51.4%
Less than 15 minutes late
Cancelled
5.3%
Of scheduled flights
Average delay when late
104 min
Flights arriving 15+ minutes late
Flights tracked
76
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 39%
  • Extreme weather 33%
  • Airline (crew, maintenance, cleaning) 19%
  • Air traffic control & airport 9%
  • Security 0%

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

Palm Springs (PSP) to Phoenix (PHX)

Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 382 minutes. It was cancelled 5.4% of the time.

On-time arrivals
82.9%
Less than 15 minutes late
Cancelled
5.4%
Of scheduled flights
Average delay when late
382 min
Flights arriving 15+ minutes late
Flights tracked
37
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 65%
  • Air traffic control & airport 27%
  • Airline (crew, maintenance, cleaning) 8%
  • Extreme weather 0%
  • Security 0%

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

Chicago (ORD) to Moline (MLI)

Historically, this flight arrives 15+ minutes late 38% of the time, and when it is late the delay averages 140 minutes. It was cancelled 3.3% of the time.

On-time arrivals
62.1%
Less than 15 minutes late
Cancelled
3.3%
Of scheduled flights
Average delay when late
140 min
Flights arriving 15+ minutes late
Flights tracked
30
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 58%
  • Air traffic control & airport 17%
  • Extreme weather 16%
  • Airline (crew, maintenance, cleaning) 8%
  • Security 0%

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

Oklahoma City (OKC) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 44 minutes. It was cancelled 0.0% of the time.

On-time arrivals
77.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
44 min
Flights arriving 15+ minutes late
Flights tracked
27
Scheduled flights in the period

What caused the delays

  • Extreme weather 51%
  • Airline (crew, maintenance, cleaning) 49%
  • Late-arriving aircraft 0%
  • Air traffic control & airport 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 101 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
101 min
Flights arriving 15+ minutes late
Flights tracked
27
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 74%
  • Airline (crew, maintenance, cleaning) 20%
  • Air traffic control & airport 6%
  • Extreme weather 0%
  • Security 0%

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

Minneapolis (MSP) to Chicago (ORD)

Only 16 flights on record, which is too few for reliable odds.

On-time arrivals
93.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
73 min
Flights arriving 15+ minutes late
Flights tracked
16
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).

Chicago (ORD) to St Louis (STL)

Only 7 flights on record, which is too few for reliable odds.

On-time arrivals
50.0%
Less than 15 minutes late
Cancelled
14.3%
Of scheduled flights
Average delay when late
37 min
Flights arriving 15+ minutes late
Flights tracked
7
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 59%
  • Late-arriving aircraft 30%
  • Air traffic control & airport 11%
  • Extreme weather 0%
  • Security 0%

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

St Louis (STL) to Chicago (ORD)

Only 7 flights on record, which is too few for reliable odds.

On-time arrivals
66.7%
Less than 15 minutes late
Cancelled
14.3%
Of scheduled flights
Average delay when late
35 min
Flights arriving 15+ minutes late
Flights tracked
7
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 90%
  • Air traffic control & airport 10%
  • Airline (crew, maintenance, cleaning) 0%
  • Extreme weather 0%
  • Security 0%

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

Chicago (ORD) to Indianapolis (IND)

Only 6 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
6
Scheduled flights in the period

Fort Wayne (FWA) to Chicago (ORD)

Only 4 flights 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
77 min
Flights arriving 15+ minutes late
Flights tracked
4
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 56%
  • Air traffic control & airport 38%
  • Airline (crew, maintenance, cleaning) 6%
  • Security 0%
  • Extreme weather 0%

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

Los Angeles (LAX) to Palm Springs (PSP)

Only 4 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
4
Scheduled flights in the period

Los Angeles (LAX) to Sacramento (SMF)

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

Sacramento (SMF) to Los Angeles (LAX)

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
—
Flights arriving 15+ minutes late
Flights tracked
2
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 80.0% 25
October 2025 80.6% 31
November 2025 78.9% 41
December 2025 82.4% 51
January 2026 82.4% 36
February 2026 76.2% 21
March 2026 57.7% 28
April 2026 77.8% 10
May 2026 63.6% 11
June 2026 50.0% 30
July 2026 48.3% 31
August 2026 83.9% 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.