Flight YX4478
Republic Airways flight YX4478
Looking for YX4478 in the air…
Chicago (ORD) to Pittsburgh (PIT)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 75 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 92.4%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 75 min
- Flights arriving 15+ minutes late
- Flights tracked
- 66
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 69%
- Airline (crew, maintenance, cleaning) 19%
- Air traffic control & airport 9%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Pittsburgh (PIT) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 124 minutes. It was cancelled 1.5% of the time.
- On-time arrivals
- 89.2%
- Less than 15 minutes late
- Cancelled
- 1.5%
- Of scheduled flights
- Average delay when late
- 124 min
- Flights arriving 15+ minutes late
- Flights tracked
- 66
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 51%
- Late-arriving aircraft 38%
- Airline (crew, maintenance, cleaning) 10%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Atlanta (ATL) to New York (LGA)
Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 65 minutes. It was cancelled 3.9% of the time.
- On-time arrivals
- 79.6%
- Less than 15 minutes late
- Cancelled
- 3.9%
- Of scheduled flights
- Average delay when late
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 51
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 56%
- Air traffic control & airport 38%
- Extreme weather 5%
- Airline (crew, maintenance, cleaning) 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 69 minutes. It was cancelled 3.9% of the time.
- On-time arrivals
- 81.6%
- Less than 15 minutes late
- Cancelled
- 3.9%
- Of scheduled flights
- Average delay when late
- 69 min
- Flights arriving 15+ minutes late
- Flights tracked
- 51
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 49%
- Air traffic control & airport 32%
- Airline (crew, maintenance, cleaning) 19%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) to Norfolk (ORF)
Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 66 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
- 66 min
- Flights arriving 15+ minutes late
- Flights tracked
- 44
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 80%
- Air traffic control & airport 15%
- Airline (crew, maintenance, cleaning) 4%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Norfolk (ORF) to New York (LGA)
Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 102 minutes. It was cancelled 5.3% of the time.
- On-time arrivals
- 75.0%
- Less than 15 minutes late
- Cancelled
- 5.3%
- Of scheduled flights
- Average delay when late
- 102 min
- Flights arriving 15+ minutes late
- Flights tracked
- 38
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 71%
- Late-arriving aircraft 27%
- Airline (crew, maintenance, cleaning) 2%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) to Washington (DCA)
Historically, this flight arrives 15+ minutes late 30% of the time, and when it is late the delay averages 101 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 69.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 101 min
- Flights arriving 15+ minutes late
- Flights tracked
- 33
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 55%
- Air traffic control & airport 21%
- Extreme weather 18%
- Airline (crew, maintenance, cleaning) 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Traverse City (TVC) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 134 minutes. It was cancelled 13.3% of the time.
- On-time arrivals
- 76.9%
- Less than 15 minutes late
- Cancelled
- 13.3%
- Of scheduled flights
- Average delay when late
- 134 min
- Flights arriving 15+ minutes late
- Flights tracked
- 30
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 49%
- Extreme weather 35%
- Air traffic control & airport 16%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Cincinnati / Covington (CVG) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 32% of the time, and when it is late the delay averages 175 minutes. It was cancelled 3.4% of the time.
- On-time arrivals
- 67.9%
- Less than 15 minutes late
- Cancelled
- 3.4%
- Of scheduled flights
- Average delay when late
- 175 min
- Flights arriving 15+ minutes late
- Flights tracked
- 29
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 63%
- Late-arriving aircraft 31%
- Extreme weather 3%
- Airline (crew, maintenance, cleaning) 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Birmingham (BHM) to Philadelphia (PHL)
Historically, this flight arrives 15+ minutes late 4% of the time, and when it is late the delay averages 18 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 96.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 18 min
- Flights arriving 15+ minutes late
- Flights tracked
- 25
- 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).
Cleveland (CLE) to New York (LGA)
Only 11 flights on record, which is too few for reliable odds.
- On-time arrivals
- 80.0%
- Less than 15 minutes late
- Cancelled
- 9.1%
- Of scheduled flights
- Average delay when late
- 46 min
- Flights arriving 15+ minutes late
- Flights tracked
- 11
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 63%
- Air traffic control & airport 37%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) to Chicago (ORD)
Only 3 flights on record, which is too few for reliable odds.
- On-time arrivals
- 33.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 35 min
- Flights arriving 15+ minutes late
- Flights tracked
- 3
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 53%
- Air traffic control & airport 30%
- Late-arriving aircraft 17%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to New York (LGA)
Only 3 flights on record, which is too few for reliable odds.
- On-time arrivals
- 33.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 18 min
- Flights arriving 15+ minutes late
- Flights tracked
- 3
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 58%
- Late-arriving aircraft 42%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Madison (MSN) to Chicago (ORD)
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
New Orleans (MSY) 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
Rochester (ROC) to Chicago (ORD)
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
- 27 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 52%
- Air traffic control & airport 48%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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 | 66.7% | 30 |
| October 2025 | 96.7% | 30 |
| November 2025 | 81.0% | 58 |
| December 2025 | 52.9% | 18 |
| January 2026 | 100.0% | 6 |
| February 2026 | 80.0% | 29 |
| March 2026 | 81.2% | 36 |
| April 2026 | 80.4% | 51 |
| May 2026 | 82.5% | 59 |
| June 2026 | 90.0% | 60 |
| July 2026 | 91.1% | 46 |
| August 2026 | 70.0% | 31 |
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