Flight UA2301
United Airlines flight UA2301
Looking for UA2301 in the airâŚ
Chicago (ORD) to Newark (EWR)
Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 98 minutes. It was cancelled 1.6% of the time.
- On-time arrivals
- 76.7%
- Less than 15 minutes late
- Cancelled
- 1.6%
- Of scheduled flights
- Average delay when late
- 98 min
- Flights arriving 15+ minutes late
- Flights tracked
- 310
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 43%
- Late-arriving aircraft 34%
- Air traffic control & airport 23%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Newark (EWR) to Tampa (TPA)
Historically, this flight arrives 15+ minutes late 32% of the time, and when it is late the delay averages 69 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
- 69 min
- Flights arriving 15+ minutes late
- Flights tracked
- 33
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 60%
- Air traffic control & airport 21%
- Airline (crew, maintenance, cleaning) 17%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Newark (EWR) to Savannah (SAV)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 37 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 85.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 37 min
- Flights arriving 15+ minutes late
- Flights tracked
- 28
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 65%
- Airline (crew, maintenance, cleaning) 35%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
St Louis (STL) to Newark (EWR)
Historically, this flight arrives 15+ minutes late 65% of the time, and when it is late the delay averages 92 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 34.6%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 92 min
- Flights arriving 15+ minutes late
- Flights tracked
- 26
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 81%
- Airline (crew, maintenance, cleaning) 10%
- Late-arriving aircraft 9%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Bozeman (BZN) to Newark (EWR)
Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 125 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 75.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 125 min
- Flights arriving 15+ minutes late
- Flights tracked
- 24
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 100%
- Airline (crew, maintenance, cleaning) 0%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 72.4% | 29 |
| October 2025 | 39.4% | 33 |
| November 2025 | 68.5% | 56 |
| December 2025 | 65.6% | 32 |
| January 2026 | 86.7% | 31 |
| February 2026 | 88.5% | 28 |
| March 2026 | 76.5% | 34 |
| April 2026 | 78.2% | 55 |
| May 2026 | 83.9% | 31 |
| June 2026 | 83.3% | 30 |
| July 2026 | 73.3% | 31 |
| August 2026 | 76.7% | 31 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 â August 2026. Covers flights operated by reporting U.S. carriers. About our data