MQ3634

MQ3634 (Envoy Air) is a multi-stop service on 20 routes, busiest Huntsville to Dallas-Fort Worth. Of 543 departures recorded from October 2024 to July 2026, 81.0% 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
January295▼ 82.8%
February1234▲ 183.3%
March362▲ 1,966.7%
April2614▼ 46.2%
May306▼ 80.0%
June258▼ 68.0%
July288▼ 71.4%
August5––
September28––
October57–in progress
November59––
December48––
Year to date (Jan–Jul)153137▼ 10.5%

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
January82.8%80.0%▼ 3.3%
February83.3%94.1%▲ 12.9%
March33.3%76.7%▲ 130.0%
April96.2%57.1%▼ 40.6%
May89.3%50.0%▼ 44.0%
June76.0%50.0%▼ 34.2%
July85.7%100.0%▲ 16.7%
August60.0%––
September75.0%––
October82.5%–in progress
November92.0%––
December78.3%––
Year-to-date average (Jan–Jul)78.1%72.6%▼ 7.1%

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
January00–
February00–
March02–
April00–
May20▼ 100.0%
June00–
July00–
August0––
September0––
October0–in progress
November9––
December2––
Year to date (Jan–Jul)220.0%

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 97.1% 527
  • Cancelled 2.9% 16

Share of all recorded flights in the period, all legs. · Oct 29, 2024 → Jul 29, 2026

On time, leg by leg

  1. ORD–AZO54 90.6%
  2. HSV–DFW54 81.5%
  3. AZO–ORD54 69.8%
  4. GCK–DFW51 82.4%
  5. LSE–ORD46 81.0%
  6. ORD–LSE45 87.2%
  7. HSV–CLT33 78.8%
  8. ELP–PHX32 93.8%

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
October 2024 3 3 100.0% 0
November 2024 27 26 69.2% 1
December 2024 26 26 76.9% 0
January 2025 29 29 82.8% 0
February 2025 12 12 83.3% 0
March 2025 3 3 33.3% 0
April 2025 26 26 96.2% 0
May 2025 30 28 89.3% 2
June 2025 25 25 76.0% 0
July 2025 28 28 85.7% 0
August 2025 5 5 60.0% 0
September 2025 28 28 75.0% 0
October 2025 57 57 82.5% 0
November 2025 59 50 92.0% 9
December 2025 48 46 78.3% 2
January 2026 5 5 80.0% 0
February 2026 34 34 94.1% 0
March 2026 62 60 76.7% 2
April 2026 14 14 57.1% 0
May 2026 6 6 50.0% 0
June 2026 8 8 50.0% 0
July 2026 8 8 100.0% 0

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