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Flight YX4666

Republic Airways flight YX4666

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Looking for YX4666 in the air…

Buffalo (BUF) to Boston (BOS)

Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 44 minutes. It was cancelled 3.0% of the time.

On-time arrivals
94.8%
Less than 15 minutes late
Cancelled
3.0%
Of scheduled flights
Average delay when late
44 min
Flights arriving 15+ minutes late
Flights tracked
99
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 73%
  • Airline (crew, maintenance, cleaning) 18%
  • Air traffic control & airport 9%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Boston (BOS) to Buffalo (BUF)

Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 60 minutes. It was cancelled 2.1% of the time.

On-time arrivals
94.6%
Less than 15 minutes late
Cancelled
2.1%
Of scheduled flights
Average delay when late
60 min
Flights arriving 15+ minutes late
Flights tracked
94
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 90%
  • Air traffic control & airport 10%
  • Airline (crew, maintenance, cleaning) 1%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Rochester (ROC) to Washington (DCA)

Historically, this flight arrives 15+ minutes late 13% of the time, and when it is late the delay averages 91 minutes. It was cancelled 7.6% of the time.

On-time arrivals
86.9%
Less than 15 minutes late
Cancelled
7.6%
Of scheduled flights
Average delay when late
91 min
Flights arriving 15+ minutes late
Flights tracked
66
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 93%
  • Air traffic control & airport 7%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Chicago (ORD) to Syracuse (SYR)

Historically, this flight arrives 15+ minutes late 33% of the time, and when it is late the delay averages 60 minutes. It was cancelled 0.0% of the time.

On-time arrivals
67.4%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
60 min
Flights arriving 15+ minutes late
Flights tracked
46
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 41%
  • Air traffic control & airport 38%
  • Airline (crew, maintenance, cleaning) 10%
  • Extreme weather 10%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Syracuse (SYR) to Chicago (ORD)

Historically, this flight arrives 15+ minutes late 33% of the time, and when it is late the delay averages 68 minutes. It was cancelled 6.5% of the time.

On-time arrivals
67.4%
Less than 15 minutes late
Cancelled
6.5%
Of scheduled flights
Average delay when late
68 min
Flights arriving 15+ minutes late
Flights tracked
46
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 62%
  • Airline (crew, maintenance, cleaning) 19%
  • Air traffic control & airport 15%
  • Extreme weather 4%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Chicago (ORD) to Raleigh/Durham (RDU)

Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 47 minutes. It was cancelled 2.3% of the time.

On-time arrivals
81.4%
Less than 15 minutes late
Cancelled
2.3%
Of scheduled flights
Average delay when late
47 min
Flights arriving 15+ minutes late
Flights tracked
44
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 68%
  • Late-arriving aircraft 17%
  • Airline (crew, maintenance, cleaning) 14%
  • Extreme weather 1%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

New York (LGA) to Raleigh/Durham (RDU)

Historically, this flight arrives 15+ minutes late 30% of the time, and when it is late the delay averages 98 minutes. It was cancelled 0.0% of the time.

On-time arrivals
69.6%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
98 min
Flights arriving 15+ minutes late
Flights tracked
23
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 78%
  • Air traffic control & airport 20%
  • Extreme weather 1%
  • Airline (crew, maintenance, cleaning) 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Raleigh/Durham (RDU) to New York (LGA)

Historically, this flight arrives 15+ minutes late 52% of the time, and when it is late the delay averages 62 minutes. It was cancelled 8.7% of the time.

On-time arrivals
47.6%
Less than 15 minutes late
Cancelled
8.7%
Of scheduled flights
Average delay when late
62 min
Flights arriving 15+ minutes late
Flights tracked
23
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 51%
  • Air traffic control & airport 47%
  • Airline (crew, maintenance, cleaning) 2%
  • Extreme weather 1%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Chicago (ORD) to Grand Rapids (GRR)

Only 10 flights on record, which is too few for reliable odds.

On-time arrivals
75.0%
Less than 15 minutes late
Cancelled
20.0%
Of scheduled flights
Average delay when late
50 min
Flights arriving 15+ minutes late
Flights tracked
10
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 74%
  • Air traffic control & airport 26%
  • Airline (crew, maintenance, cleaning) 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Hartford (BDL) to Washington (DCA)

Only 7 flights on record, which is too few for reliable odds.

On-time arrivals
71.4%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
75 min
Flights arriving 15+ minutes late
Flights tracked
7
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 76%
  • Air traffic control & airport 24%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Atlanta (ATL) to Miami (MIA)

Only 5 flights on record, which is too few for reliable odds.

On-time arrivals
60.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
63 min
Flights arriving 15+ minutes late
Flights tracked
5
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 91%
  • Extreme weather 9%
  • Airline (crew, maintenance, cleaning) 0%
  • Air traffic control & airport 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Miami (MIA) to Atlanta (ATL)

Only 5 flights on record, which is too few for reliable odds.

On-time arrivals
60.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
64 min
Flights arriving 15+ minutes late
Flights tracked
5
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 84%
  • Extreme weather 8%
  • Airline (crew, maintenance, cleaning) 7%
  • Air traffic control & airport 2%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Miami (MIA) to New Orleans (MSY)

Only 5 flights on record, which is too few for reliable odds.

On-time arrivals
80.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
43 min
Flights arriving 15+ minutes late
Flights tracked
5
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 98%
  • Air traffic control & airport 2%
  • Airline (crew, maintenance, cleaning) 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

New Orleans (MSY) to Miami (MIA)

Only 5 flights on record, which is too few for reliable odds.

On-time arrivals
80.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
53 min
Flights arriving 15+ minutes late
Flights tracked
5
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 76%
  • Air traffic control & airport 19%
  • Airline (crew, maintenance, cleaning) 5%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Boston (BOS) to Chicago (ORD)

Only 4 flights on record, which is too few for reliable odds.

On-time arrivals
100.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
—
Flights arriving 15+ minutes late
Flights tracked
4
Scheduled flights in the period

New York (LGA) to New Orleans (MSY)

Only 4 flights on record, which is too few for reliable odds.

On-time arrivals
50.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
50 min
Flights arriving 15+ minutes late
Flights tracked
4
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 92%
  • Airline (crew, maintenance, cleaning) 8%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

New Orleans (MSY) to New York (LGA)

Only 4 flights on record, which is too few for reliable odds.

On-time arrivals
75.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
78 min
Flights arriving 15+ minutes late
Flights tracked
4
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 94%
  • Airline (crew, maintenance, cleaning) 6%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Cincinnati / Covington (CVG) to New York (LGA)

Only 2 flights on record, which is too few for reliable odds.

On-time arrivals
100.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
—
Flights arriving 15+ minutes late
Flights tracked
2
Scheduled flights in the period

In the news

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 80.0% 10
October 2025 60.9% 48
November 2025 92.0% 26
December 2025 73.9% 25
January 2026 83.3% 34
February 2026 67.5% 40
March 2026 67.3% 54
April 2026 72.7% 34
May 2026 97.5% 41
June 2026 90.0% 60
July 2026 96.6% 62
August 2026 91.2% 58

Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data

Latest airport & airline headlines

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Headlines found by Google News; stories open on the publisher's site.