Flight YX4738
Republic Airways flight YX4738
Looking for YX4738 in the air…
Buffalo (BUF) to New York (LGA)
Historically, this flight arrives 15+ minutes late 29% of the time, and when it is late the delay averages 72 minutes. It was cancelled 6.0% of the time.
- On-time arrivals
- 70.5%
- Less than 15 minutes late
- Cancelled
- 6.0%
- Of scheduled flights
- Average delay when late
- 72 min
- Flights arriving 15+ minutes late
- Flights tracked
- 166
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 60%
- Air traffic control & airport 18%
- Airline (crew, maintenance, cleaning) 17%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) to Buffalo (BUF)
Historically, this flight arrives 15+ minutes late 27% of the time, and when it is late the delay averages 62 minutes. It was cancelled 6.1% of the time.
- On-time arrivals
- 73.2%
- Less than 15 minutes late
- Cancelled
- 6.1%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 163
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 43%
- Air traffic control & airport 28%
- Airline (crew, maintenance, cleaning) 22%
- Extreme weather 6%
- Security 2%
Share of delay minutes airlines attributed to each cause (BTS).
Boston (BOS) to Wilmington (ILM)
Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 50 minutes. It was cancelled 2.6% of the time.
- On-time arrivals
- 82.4%
- Less than 15 minutes late
- Cancelled
- 2.6%
- Of scheduled flights
- Average delay when late
- 50 min
- Flights arriving 15+ minutes late
- Flights tracked
- 76
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 57%
- Airline (crew, maintenance, cleaning) 21%
- Air traffic control & airport 19%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Wilmington (ILM) to Boston (BOS)
Historically, this flight arrives 15+ minutes late 39% of the time, and when it is late the delay averages 88 minutes. It was cancelled 6.8% of the time.
- On-time arrivals
- 60.9%
- Less than 15 minutes late
- Cancelled
- 6.8%
- Of scheduled flights
- Average delay when late
- 88 min
- Flights arriving 15+ minutes late
- Flights tracked
- 74
- Scheduled flights in the period
What caused the delays
- Extreme weather 35%
- Air traffic control & airport 27%
- Airline (crew, maintenance, cleaning) 21%
- Late-arriving aircraft 17%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Madison (MSN) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 7% of the time, and when it is late the delay averages 99 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 93.2%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 99 min
- Flights arriving 15+ minutes late
- Flights tracked
- 44
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 53%
- Late-arriving aircraft 43%
- Airline (crew, maintenance, cleaning) 5%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Madison (MSN)
Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 44 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 88.6%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 44 min
- Flights arriving 15+ minutes late
- Flights tracked
- 44
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 87%
- Air traffic control & airport 13%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
St Louis (STL) to New York (LGA)
Historically, this flight arrives 15+ minutes late 36% of the time, and when it is late the delay averages 71 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 63.6%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 23
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 61%
- Late-arriving aircraft 24%
- Extreme weather 14%
- Airline (crew, maintenance, cleaning) 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Miami (MIA) to Little Rock (LIT)
Only 5 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
- 5
- Scheduled flights in the period
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 100.0% | 8 |
| October 2025 | 65.2% | 24 |
| November 2025 | 81.5% | 56 |
| December 2025 | 65.2% | 46 |
| January 2026 | 63.6% | 48 |
| February 2026 | 67.3% | 55 |
| March 2026 | 71.4% | 62 |
| April 2026 | 86.4% | 60 |
| May 2026 | 85.0% | 60 |
| June 2026 | 88.3% | 60 |
| July 2026 | 60.7% | 62 |
| August 2026 | 71.2% | 54 |
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