YX3666

YX3666 (Republic Airways) is a multi-stop service on 20 routes, busiest Newark to Syracuse. Of 609 departures recorded from October 2024 to July 2026, 78.4% 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
January720▲ 185.7%
February1820▲ 11.1%
March3127▼ 12.9%
April2831▲ 10.7%
May2048▲ 140.0%
June2829▲ 3.6%
July3027▼ 10.0%
August27––
September27––
October48–in progress
November23––
December40––
Year to date (Jan–Jul)162202▲ 24.7%

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
January100.0%94.4%▼ 5.6%
February88.2%75.0%▼ 15.0%
March82.1%85.2%▲ 3.7%
April88.0%71.0%▼ 19.4%
May71.4%87.5%▲ 22.5%
June77.3%65.4%▼ 15.4%
July36.4%76.2%▲ 109.5%
August65.4%––
September70.4%––
October68.8%–in progress
November87.0%––
December72.2%––
Year-to-date average (Jan–Jul)77.6%79.2%▲ 2.1%

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
January12▲ 100.0%
February10▼ 100.0%
March30▼ 100.0%
April30▼ 100.0%
May60▼ 100.0%
June63▼ 50.0%
July86▼ 25.0%
August1––
September0––
October0–in progress
November0––
December4––
Year to date (Jan–Jul)2811▼ 60.7%

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 92.8% 565
  • Cancelled 7.2% 44

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

On time, leg by leg

  1. EWR–SYR180 79.8%
  2. ORD–DCA66 74.2%
  3. RDU–IAD58 96.5%
  4. RIC–EWR55 65.5%
  5. EWR–GSP49 38.9%
  6. PIT–EWR35 65.6%
  7. DTW–EWR32 80.8%

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

Legs flown under this number

7
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 100.0% 0
November 2024 30 30 100.0% 0
December 2024 30 30 83.3% 0
January 2025 7 6 100.0% 1
February 2025 18 17 88.2% 1
March 2025 31 28 82.1% 3
April 2025 28 25 88.0% 3
May 2025 20 14 71.4% 6
June 2025 28 22 77.3% 6
July 2025 30 22 36.4% 8
August 2025 27 26 65.4% 1
September 2025 27 27 70.4% 0
October 2025 48 48 68.8% 0
November 2025 23 23 87.0% 0
December 2025 40 36 72.2% 4
January 2026 20 18 94.4% 2
February 2026 20 20 75.0% 0
March 2026 27 27 85.2% 0
April 2026 31 31 71.0% 0
May 2026 48 48 87.5% 0
June 2026 29 26 65.4% 3
July 2026 27 21 76.2% 6

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