OO5819

OO5819 (SkyWest Airlines) is a multi-stop service on 3 routes, busiest Chicago to Duluth. Of 511 departures recorded from October 2024 to July 2026, 80.7% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods18 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–18–
February1226▲ 116.7%
March2131▲ 47.6%
April2227▲ 22.7%
May2831▲ 10.7%
June2830▲ 7.1%
July31310.0%
August31––
September30––
October31–in progress
November30––
December1––

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods17 periods
PeriodOn time 2025On time 2026Change vs last year
January–62.5%–
February70.0%76.0%▲ 8.6%
March71.4%82.8%▲ 15.9%
April81.8%68.0%▼ 16.9%
May89.3%71.0%▼ 20.5%
June96.4%90.0%▼ 6.7%
July87.1%83.9%▼ 3.7%
August71.0%––
September79.3%––
October90.3%–in progress
November82.1%––
December–––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods18 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–2–
February21▼ 50.0%
March02–
April02–
May00–
June00–
July00–
August0––
September1––
October0–in progress
November2––
December1––

according to the US BTS · October 2024 → July 2026

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

This number flies several legs

Several legs: the headline figure averages all of them. See the leg table.

Cancellation share

  • Not cancelled 97.5% 498
  • Cancelled 2.5% 13

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
ORD DLH Chicago O'Hare International Airport – Duluth International Airport 639 9.1 min 81.8% 484
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 85.0% 0
November 2024 30 30 76.7% 0
December 2024 2 2 100.0% 0
February 2025 12 10 70.0% 2
March 2025 21 21 71.4% 0
April 2025 22 22 81.8% 0
May 2025 28 28 89.3% 0
June 2025 28 28 96.4% 0
July 2025 31 31 87.1% 0
August 2025 31 31 71.0% 0
September 2025 30 29 79.3% 1
October 2025 31 31 90.3% 0
November 2025 30 28 82.1% 2
December 2025 1 0 — 1
January 2026 18 16 62.5% 2
February 2026 26 25 76.0% 1
March 2026 31 29 82.8% 2
April 2026 27 25 68.0% 2
May 2026 31 31 71.0% 0
June 2026 30 30 90.0% 0
July 2026 31 31 83.9% 0

How to read this chart

Loading the guide…