MQ3959

MQ3959 (Envoy Air) is a multi-stop service on 19 routes, busiest Chicago to Savoy. Of 730 departures recorded from October 2024 to May 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 periods17 periods
PeriodDepartures 2025Departures 2026Change vs last year
January4629▼ 37.0%
February4228▼ 33.3%
March5931▼ 47.5%
April6030▼ 50.0%
May3120▼ 35.5%
June29––
July29––
August57––
September26––
October12–in progress
November28––
December14––
Year to date (Jan–May)238138▼ 42.0%

according to the US BTS · October 2024 → May 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 periods17 periods
PeriodOn time 2025On time 2026Change vs last year
January92.7%75.9%▼ 18.1%
February83.3%85.7%▲ 2.9%
March79.7%79.3%▼ 0.4%
April75.9%65.5%▼ 13.6%
May71.0%90.0%▲ 26.8%
June51.7%––
July46.4%––
August90.9%––
September100.0%––
October83.3%–in progress
November84.6%––
December69.2%––
Year-to-date average (Jan–May)80.5%79.3%▼ 1.5%

according to the US BTS · October 2024 → May 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → May 2026

Cancelled departures by month

All legs combined
The most recent periods17 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January50▼ 100.0%
February00–
March02–
April21▼ 50.0%
May00–
June0––
July1––
August2––
September0––
October0–in progress
November2––
December1––
Year to date (Jan–May)73▼ 57.1%

according to the US BTS · October 2024 → May 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 97.7% 713
  • Cancelled 2.3% 17

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → May 20, 2026

On time, leg by leg

  1. ORD–CMI134 77.5%
  2. BHM–DFW99 77.1%
  3. DFW–BHM68 92.4%
  4. ORD–CID60 47.5%
  5. DFW–AMA44 95.5%
  6. AMA–DFW43 97.6%
  7. ORD–MEM41 97.5%
  8. MEM–ORD41 95.0%

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

Legs flown under this number

11
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 40 40 90.0% 0
November 2024 59 58 96.6% 1
December 2024 60 60 88.3% 0
January 2025 46 41 92.7% 5
February 2025 42 42 83.3% 0
March 2025 59 59 79.7% 0
April 2025 60 58 75.9% 2
May 2025 31 31 71.0% 0
June 2025 29 29 51.7% 0
July 2025 29 28 46.4% 1
August 2025 57 55 90.9% 2
September 2025 26 26 100.0% 0
October 2025 12 12 83.3% 0
November 2025 28 26 84.6% 2
December 2025 14 13 69.2% 1
January 2026 29 29 75.9% 0
February 2026 28 28 85.7% 0
March 2026 31 29 79.3% 2
April 2026 30 29 65.5% 1
May 2026 20 20 90.0% 0

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