OO5517

OO5517 (SkyWest Airlines) is a multi-stop service on 18 routes, busiest Chicago to Providence. Of 508 departures recorded from October 2024 to July 2026, 81.6% left on time, according to the US BTS.

Recorded departures by month

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

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January317▼ 77.4%
February184▼ 77.8%
March274▼ 85.2%
April2330▲ 30.4%
May31310.0%
June30300.0%
July3026▼ 13.3%
August31––
September10––
October27–in progress
November29––
December30––
Year to date (Jan–Jul)190132▼ 30.5%

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

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

The most recent periods19 periods
PeriodOn time 2025On time 2026Change vs last year
January90.3%83.3%▼ 7.7%
February94.1%75.0%▼ 20.3%
March81.5%100.0%▲ 22.7%
April95.7%85.7%▼ 10.4%
May93.6%67.7%▼ 27.6%
June76.7%65.5%▼ 14.5%
July50.0%84.6%▲ 69.2%
August80.0%––
September80.0%––
October88.9%–in progress
November85.2%––
December86.7%––
Year-to-date average (Jan–Jul)83.1%80.3%▼ 3.4%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January01–
February10▼ 100.0%
March00–
April02–
May00–
June01–
July00–
August1––
September0––
October0–in progress
November2––
December0––
Year to date (Jan–Jul)14▲ 300.0%

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 98.4% 500
  • Cancelled 1.6% 8

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

On time, leg by leg

  1. ORD–PVD232 79.9%
  2. PWM–ORD63 91.9%
  3. LIT–ORD35 58.8%
  4. GRR–ORD32 87.5%

Departures within 15 minutes of schedule; small figure = departures recorded.

Legs flown under this number

4
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 18 18 83.3% 0
November 2024 29 29 82.8% 0
December 2024 12 12 91.7% 0
January 2025 31 31 90.3% 0
February 2025 18 17 94.1% 1
March 2025 27 27 81.5% 0
April 2025 23 23 95.7% 0
May 2025 31 31 93.6% 0
June 2025 30 30 76.7% 0
July 2025 30 30 50.0% 0
August 2025 31 30 80.0% 1
September 2025 10 10 80.0% 0
October 2025 27 27 88.9% 0
November 2025 29 27 85.2% 2
December 2025 30 30 86.7% 0
January 2026 7 6 83.3% 1
February 2026 4 4 75.0% 0
March 2026 4 4 100.0% 0
April 2026 30 28 85.7% 2
May 2026 31 31 67.7% 0
June 2026 30 29 65.5% 1
July 2026 26 26 84.6% 0

How to read this chart

Loading the guide…