Flight YX4515

Republic Airways flight YX4515

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Looking for YX4515 in the air…

Charleston (CHS) to Washington (DCA)

Historically, this flight arrives 15+ minutes late 35% of the time, and when it is late the delay averages 79 minutes. It was cancelled 2.9% of the time.

On-time arrivals

65.2%

Less than 15 minutes late

Cancelled

2.9%

Of scheduled flights

Average delay when late

79 min

Flights arriving 15+ minutes late

Flights tracked

68

Scheduled flights in the period

What caused the delays

• Late-arriving aircraft 66%
• Air traffic control & airport 27%
• Airline (crew, maintenance, cleaning) 6%
• Extreme weather 1%
• Security 0%

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

Portland (PWM) to New York (LGA)

Historically, this flight arrives 15+ minutes late 15% of the time, and when it is late the delay averages 112 minutes. It was cancelled 1.7% of the time.

On-time arrivals

84.7%

Less than 15 minutes late

Cancelled

1.7%

Of scheduled flights

Average delay when late

112 min

Flights arriving 15+ minutes late

Flights tracked

60

Scheduled flights in the period

What caused the delays

• Late-arriving aircraft 67%
• Airline (crew, maintenance, cleaning) 24%
• Air traffic control & airport 10%
• Extreme weather 0%
• Security 0%

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

Charleston (CHS) to New York (LGA)

Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 75 minutes. It was cancelled 9.1% of the time.

On-time arrivals

80.0%

Less than 15 minutes late

Cancelled

9.1%

Of scheduled flights

Average delay when late

75 min

Flights arriving 15+ minutes late

Flights tracked

55

Scheduled flights in the period

What caused the delays

• Late-arriving aircraft 86%
• Airline (crew, maintenance, cleaning) 8%
• Air traffic control & airport 6%
• Extreme weather 0%
• Security 0%

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

Washington (DCA) to Louisville (SDF)

Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 184 minutes. It was cancelled 0.0% of the time.

On-time arrivals

84.1%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

184 min

Flights arriving 15+ minutes late

Flights tracked

44

Scheduled flights in the period

What caused the delays

• Extreme weather 56%
• Late-arriving aircraft 40%
• Air traffic control & airport 4%
• Airline (crew, maintenance, cleaning) 0%
• Security 0%

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

Washington (DCA) to Hilton Head Island (HHH)

Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 121 minutes. It was cancelled 0.0% of the time.

On-time arrivals

91.2%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

121 min

Flights arriving 15+ minutes late

Flights tracked

34

Scheduled flights in the period

What caused the delays

• Airline (crew, maintenance, cleaning) 53%
• Late-arriving aircraft 29%
• Air traffic control & airport 19%
• Extreme weather 0%
• Security 0%

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

Hilton Head Island (HHH) to Washington (DCA)

Historically, this flight arrives 15+ minutes late 15% of the time, and when it is late the delay averages 141 minutes. It was cancelled 0.0% of the time.

On-time arrivals

84.8%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

141 min

Flights arriving 15+ minutes late

Flights tracked

34

Scheduled flights in the period

What caused the delays

• Late-arriving aircraft 43%
• Extreme weather 41%
• Air traffic control & airport 16%
• Airline (crew, maintenance, cleaning) 0%
• Security 0%

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

Chicago (ORD) to Albany (ALB)

Historically, this flight arrives 15+ minutes late 32% of the time, and when it is late the delay averages 79 minutes. It was cancelled 6.1% of the time.

On-time arrivals

67.7%

Less than 15 minutes late

Cancelled

6.1%

Of scheduled flights

Average delay when late

79 min

Flights arriving 15+ minutes late

Flights tracked

33

Scheduled flights in the period

What caused the delays

• Late-arriving aircraft 74%
• Air traffic control & airport 19%
• Airline (crew, maintenance, cleaning) 6%
• Extreme weather 1%
• Security 0%

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

Washington (DCA) to Charleston (CHS)

Historically, this flight arrives 15+ minutes late 26% of the time, and when it is late the delay averages 82 minutes. It was cancelled 5.0% of the time.

On-time arrivals

73.7%

Less than 15 minutes late

Cancelled

5.0%

Of scheduled flights

Average delay when late

82 min

Flights arriving 15+ minutes late

Flights tracked

20

Scheduled flights in the period

What caused the delays

• Late-arriving aircraft 68%
• Airline (crew, maintenance, cleaning) 25%
• Air traffic control & airport 7%
• Extreme weather 0%
• Security 0%

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

Hartford (BDL) to Chicago (ORD)

Only 1 flight 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

1

Scheduled flights in the period

Greensboro (GSO) to New York (LGA)

Only 1 flight 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

1

Scheduled flights in the period

New York (LGA) to Dayton (DAY)

Only 1 flight on record, which is too few for reliable odds.

On-time arrivals

0.0%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

66 min

Flights arriving 15+ minutes late

Flights tracked

1

Scheduled flights in the period

What caused the delays

• Extreme weather 88%
• Air traffic control & airport 12%
• Airline (crew, maintenance, cleaning) 0%
• Late-arriving aircraft 0%
• Security 0%

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

New York (LGA) to Greensboro (GSO)

Only 1 flight 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

1

Scheduled flights in the period

Miami (MIA) to Boston (BOS)

Only 1 flight 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

1

Scheduled flights in the period

South Bend (SBN) to Syracuse (SYR)

Only 1 flight 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

1

Scheduled flights in the period

Syracuse (SYR) to South Bend (SBN)

Only 1 flight 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

1

Scheduled flights in the period

Sep 2025 Aug 2026

Show as table

Month	On time	Flights
September 2025	89.7%	29
October 2025	85.2%	27
November 2025	77.3%	24
December 2025	70.4%	28
January 2026	89.3%	31
February 2026	61.1%	39
March 2026	68.8%	33
April 2026	72.4%	29
May 2026	85.0%	20
July 2026	86.4%	60
August 2026	79.4%	35

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