Flight YX4428
Republic Airways flight YX4428
Looking for YX4428 in the air…
Wilmington (ILM) to New York (LGA)
Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 54 minutes. It was cancelled 5.3% of the time.
- On-time arrivals
- 77.8%
- Less than 15 minutes late
- Cancelled
- 5.3%
- Of scheduled flights
- Average delay when late
- 54 min
- Flights arriving 15+ minutes late
- Flights tracked
- 76
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 59%
- Air traffic control & airport 27%
- Airline (crew, maintenance, cleaning) 12%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) to Wilmington (ILM)
Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 56 minutes. It was cancelled 4.6% of the time.
- On-time arrivals
- 79.0%
- Less than 15 minutes late
- Cancelled
- 4.6%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 65
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 31%
- Air traffic control & airport 30%
- Extreme weather 21%
- Airline (crew, maintenance, cleaning) 19%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Philadelphia (PHL) to Washington (DCA)
Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 48 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 76.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 48 min
- Flights arriving 15+ minutes late
- Flights tracked
- 60
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 66%
- Late-arriving aircraft 23%
- Airline (crew, maintenance, cleaning) 11%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Nashville (BNA) to Philadelphia (PHL)
Historically, this flight arrives 15+ minutes late 13% of the time, and when it is late the delay averages 102 minutes. It was cancelled 3.7% of the time.
- On-time arrivals
- 86.5%
- Less than 15 minutes late
- Cancelled
- 3.7%
- Of scheduled flights
- Average delay when late
- 102 min
- Flights arriving 15+ minutes late
- Flights tracked
- 54
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 84%
- Airline (crew, maintenance, cleaning) 13%
- Extreme weather 3%
- Air traffic control & airport 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Raleigh/Durham (RDU) to Philadelphia (PHL)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 81 minutes. It was cancelled 2.7% of the time.
- On-time arrivals
- 91.7%
- Less than 15 minutes late
- Cancelled
- 2.7%
- Of scheduled flights
- Average delay when late
- 81 min
- Flights arriving 15+ minutes late
- Flights tracked
- 37
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 70%
- Airline (crew, maintenance, cleaning) 30%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Boston (BOS) to New York (LGA)
Historically, this flight arrives 15+ minutes late 31% of the time, and when it is late the delay averages 67 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 69.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 29
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 56%
- Air traffic control & airport 37%
- Late-arriving aircraft 7%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Louisville (SDF)
Historically, this flight arrives 15+ minutes late 31% of the time, and when it is late the delay averages 82 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 69.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- 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
- Late-arriving aircraft 72%
- Airline (crew, maintenance, cleaning) 14%
- Extreme weather 7%
- Air traffic control & airport 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Louisville (SDF) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 35% of the time, and when it is late the delay averages 79 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 65.4%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 79 min
- Flights arriving 15+ minutes late
- Flights tracked
- 26
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 82%
- Air traffic control & airport 17%
- Airline (crew, maintenance, cleaning) 2%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Washington (DCA)
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
- 49 min
- Flights arriving 15+ minutes late
- Flights tracked
- 12
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 47%
- Late-arriving aircraft 36%
- Airline (crew, maintenance, cleaning) 16%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Newark (EWR)
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
Nashville (BNA) to Miami (MIA)
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
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 100%
- Airline (crew, maintenance, cleaning) 0%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) to Boston (BOS)
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
- 26 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 100%
- Airline (crew, maintenance, cleaning) 0%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Miami (MIA) to Nashville (BNA)
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
Cleveland (CLE) to Washington (DCA)
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
Chicago (ORD) to Greensboro (GSO)
Only 1 flight on record, which is too few for reliable odds.
- On-time arrivals
- —
- Less than 15 minutes late
- Cancelled
- 100.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 78.1% | 32 |
| October 2025 | 74.2% | 31 |
| November 2025 | 66.7% | 7 |
| December 2025 | 68.9% | 45 |
| January 2026 | 66.7% | 15 |
| February 2026 | 80.8% | 28 |
| March 2026 | 80.6% | 31 |
| April 2026 | 91.3% | 23 |
| May 2026 | 89.7% | 40 |
| June 2026 | 89.3% | 56 |
| July 2026 | 68.6% | 58 |
| August 2026 | 64.7% | 34 |
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