YX4667

YX4667 (Republic Airways) is a multi-stop service on 23 routes, busiest Philadelphia to Hilton Head Island. Of 589 departures recorded from November 2024 to July 2026, 85.0% 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
January451▲ 1,175.0%
February1723▲ 35.3%
March1348▲ 269.2%
April3336▲ 9.1%
May631▲ 416.7%
June2630▲ 15.4%
July31310.0%
August31––
September58––
October55–in progress
November2––
December17––
Year to date (Jan–Jul)130250▲ 92.3%

according to the US BTS · November 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%89.1%▼ 10.9%
February86.7%91.3%▲ 5.3%
March91.7%70.5%▼ 23.1%
April87.9%84.9%▼ 3.4%
May100.0%80.7%▼ 19.3%
June96.2%88.0%▼ 8.5%
July87.1%52.0%▼ 40.3%
August96.8%––
September89.3%––
October94.6%–in progress
November100.0%––
December52.9%––
Year-to-date average (Jan–Jul)92.8%79.5%▼ 14.3%

according to the US BTS · November 2024 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · November 2024 → July 2026

Cancelled departures by month

All legs combined
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January05–
February20▼ 100.0%
March14▲ 300.0%
April03–
May00–
June05–
July06–
August0––
September2––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)323▲ 666.7%

according to the US BTS · November 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 95.2% 561
  • Cancelled 4.8% 28

Share of all recorded flights in the period, all legs. · Nov 5, 2024 → Jul 31, 2026

On time, leg by leg

  1. PHL–HHH90 93.3%
  2. JFK–BOS75 92.0%
  3. LGA–CAE72 70.5%
  4. SAT–ORD63 81.0%
  5. ORD–SAT63 81.4%
  6. TUL–ORD56 92.3%
  7. ORD–TUL36 87.9%

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
November 2024 38 38 81.6% 0
December 2024 8 8 87.5% 0
January 2025 4 4 100.0% 0
February 2025 17 15 86.7% 2
March 2025 13 12 91.7% 1
April 2025 33 33 87.9% 0
May 2025 6 6 100.0% 0
June 2025 26 26 96.2% 0
July 2025 31 31 87.1% 0
August 2025 31 31 96.8% 0
September 2025 58 56 89.3% 2
October 2025 55 55 94.6% 0
November 2025 2 2 100.0% 0
December 2025 17 17 52.9% 0
January 2026 51 46 89.1% 5
February 2026 23 23 91.3% 0
March 2026 48 44 70.5% 4
April 2026 36 33 84.9% 3
May 2026 31 31 80.7% 0
June 2026 30 25 88.0% 5
July 2026 31 25 52.0% 6

How to read this chart

Loading the guide…