Flight YX4599
Republic Airways flight YX4599
Looking for YX4599 in the air…
New York (LGA) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 38% of the time, and when it is late the delay averages 99 minutes. It was cancelled 11.1% of the time.
- On-time arrivals
- 62.5%
- Less than 15 minutes late
- Cancelled
- 11.1%
- Of scheduled flights
- Average delay when late
- 99 min
- Flights arriving 15+ minutes late
- Flights tracked
- 90
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 53%
- Extreme weather 21%
- Air traffic control & airport 15%
- Airline (crew, maintenance, cleaning) 11%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Louisville (SDF)
Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 71 minutes. It was cancelled 2.3% of the time.
- On-time arrivals
- 78.6%
- Less than 15 minutes late
- Cancelled
- 2.3%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 43
- Scheduled flights in the period
What caused the delays
- Extreme weather 50%
- Late-arriving aircraft 30%
- Air traffic control & airport 11%
- Airline (crew, maintenance, cleaning) 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Louisville (SDF) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 56 minutes. It was cancelled 9.3% of the time.
- On-time arrivals
- 79.5%
- Less than 15 minutes late
- Cancelled
- 9.3%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 43
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 66%
- Late-arriving aircraft 34%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Des Moines (DSM) to Philadelphia (PHL)
Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 42 minutes. It was cancelled 3.0% of the time.
- On-time arrivals
- 78.1%
- Less than 15 minutes late
- Cancelled
- 3.0%
- Of scheduled flights
- Average delay when late
- 42 min
- Flights arriving 15+ minutes late
- Flights tracked
- 33
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 49%
- Late-arriving aircraft 35%
- Air traffic control & airport 14%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Philadelphia (PHL) to Des Moines (DSM)
Historically, this flight arrives 15+ minutes late 12% of the time, and when it is late the delay averages 42 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 87.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 42 min
- Flights arriving 15+ minutes late
- Flights tracked
- 33
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 60%
- Late-arriving aircraft 40%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Nantucket (ACK) to New York (LGA)
Historically, this flight arrives 15+ minutes late 31% of the time, and when it is late the delay averages 82 minutes. It was cancelled 10.3% of the time.
- On-time arrivals
- 69.2%
- Less than 15 minutes late
- Cancelled
- 10.3%
- Of scheduled flights
- Average delay when late
- 82 min
- Flights arriving 15+ minutes late
- Flights tracked
- 29
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 75%
- Late-arriving aircraft 23%
- Airline (crew, maintenance, cleaning) 3%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) to Nantucket (ACK)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 56 minutes. It was cancelled 3.4% of the time.
- On-time arrivals
- 85.7%
- Less than 15 minutes late
- Cancelled
- 3.4%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 29
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 78%
- Air traffic control & airport 20%
- Airline (crew, maintenance, cleaning) 2%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Philadelphia (PHL) to Boston (BOS)
Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 96 minutes. It was cancelled 3.6% of the time.
- On-time arrivals
- 77.8%
- Less than 15 minutes late
- Cancelled
- 3.6%
- Of scheduled flights
- Average delay when late
- 96 min
- Flights arriving 15+ minutes late
- Flights tracked
- 28
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 63%
- Late-arriving aircraft 13%
- Airline (crew, maintenance, cleaning) 12%
- Extreme weather 11%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) to Charleston (CHS)
Historically, this flight arrives 15+ minutes late 36% of the time, and when it is late the delay averages 53 minutes. It was cancelled 7.4% of the time.
- On-time arrivals
- 64.0%
- Less than 15 minutes late
- Cancelled
- 7.4%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 27
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 61%
- Air traffic control & airport 38%
- Airline (crew, maintenance, cleaning) 1%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Kansas City (MCI) to Chicago (ORD)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 93.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 175 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 100%
- Late-arriving aircraft 0%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Nashville (BNA) to Chicago (ORD)
Only 14 flights on record, which is too few for reliable odds.
- On-time arrivals
- 85.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 51 min
- Flights arriving 15+ minutes late
- Flights tracked
- 14
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 65%
- Air traffic control & airport 35%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Nashville (BNA)
Only 12 flights on record, which is too few for reliable odds.
- On-time arrivals
- 58.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 12
- Scheduled flights in the period
What caused the delays
- Extreme weather 43%
- Air traffic control & airport 42%
- Airline (crew, maintenance, cleaning) 12%
- Late-arriving aircraft 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) 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
Cleveland (CLE) to New York (JFK)
Only 2 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
- 42 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 71%
- Air traffic control & airport 29%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Washington (DCA) to Milwaukee (MKE)
Only 2 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
- 85 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 54%
- Air traffic control & airport 46%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Cleveland (CLE)
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
In the news
More headlines →-
City Council backs $55 million in new Hartsfield-Jackson funding as construction projects multiply
The Business Journals ATL
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Over 400 flights cancelled due to severe weather at Hartsfield-Jackson Atlanta International Airport, Georgia
The Watchers - Watching the world evolve and transform ATL
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Hartsfield-Jackson Atlanta International Airport
The Aviation Hub ATL
Headlines found by Google News; stories open on the publisher's site.
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 89.8% | 60 |
| October 2025 | 55.9% | 36 |
| November 2025 | 77.8% | 27 |
| December 2025 | 61.9% | 22 |
| January 2026 | 90.0% | 10 |
| February 2026 | 100.0% | 15 |
| March 2026 | 56.0% | 27 |
| April 2026 | 76.5% | 53 |
| May 2026 | 72.1% | 46 |
| June 2026 | 83.3% | 26 |
| July 2026 | 66.7% | 27 |
| August 2026 | 75.5% | 57 |
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