OO6440

OO6440 (SkyWest Airlines) is a multi-stop service on 18 routes, busiest Flagstaff to Phoenix. Of 618 departures recorded from December 2024 to July 2026, 74.4% 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
January3731▼ 16.2%
February1228▲ 133.3%
March731▲ 342.9%
April638▲ 533.3%
May5328▼ 47.2%
June3446▲ 35.3%
July312▼ 93.5%
August57––
September32––
October35–in progress
November29––
December30––
Year to date (Jan–Jul)180204▲ 13.3%

according to the US BTS · December 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
January72.2%77.4%▲ 7.2%
February75.0%66.7%▼ 11.1%
March60.0%71.0%▲ 18.3%
April66.7%97.4%▲ 46.0%
May79.3%100.0%▲ 26.2%
June58.8%56.5%▼ 3.9%
July90.3%100.0%▲ 10.7%
August66.1%––
September84.4%––
October57.1%–in progress
November86.2%––
December76.7%––
Year-to-date average (Jan–Jul)71.8%81.3%▲ 13.3%

according to the US BTS · December 2024 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · December 2024 → July 2026

Cancelled departures by month

All legs combined
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January10▼ 100.0%
February01–
March20▼ 100.0%
April00–
May00–
June00–
July00–
August1––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)31▼ 66.7%

according to the US BTS · December 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 98.7% 610
  • Cancelled 1.3% 8

Share of all recorded flights in the period, all legs. · Dec 5, 2024 → Jul 1, 2026

On time, leg by leg

  1. FLG–PHX155 76.6%
  2. ORD–OKC95 73.7%
  3. DFW–YUM37 77.8%
  4. DFW–SBN32 66.7%
  5. SBN–DFW31 66.7%
  6. LEX–ORD31 77.4%
  7. ORD–LEX30 86.7%
  8. MCI–CLT30 100.0%

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

Legs flown under this number

9
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
December 2024 51 48 68.8% 3
January 2025 37 36 72.2% 1
February 2025 12 12 75.0% 0
March 2025 7 5 60.0% 2
April 2025 6 6 66.7% 0
May 2025 53 53 79.3% 0
June 2025 34 34 58.8% 0
July 2025 31 31 90.3% 0
August 2025 57 56 66.1% 1
September 2025 32 32 84.4% 0
October 2025 35 35 57.1% 0
November 2025 29 29 86.2% 0
December 2025 30 30 76.7% 0
January 2026 31 31 77.4% 0
February 2026 28 27 66.7% 1
March 2026 31 31 71.0% 0
April 2026 38 38 97.4% 0
May 2026 28 28 100.0% 0
June 2026 46 46 56.5% 0
July 2026 2 2 100.0% 0

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