Flight UA678
United Airlines flight UA678
Looking for UA678 in the airâŚ
McAllen (MFE) to Houston (IAH)
Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 89 minutes. It was cancelled 0.6% of the time.
- On-time arrivals
- 83.7%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 89 min
- Flights arriving 15+ minutes late
- Flights tracked
- 363
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 39%
- Air traffic control & airport 33%
- Airline (crew, maintenance, cleaning) 28%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Houston (IAH) to New York (LGA)
Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 74 minutes. It was cancelled 2.3% of the time.
- On-time arrivals
- 77.9%
- Less than 15 minutes late
- Cancelled
- 2.3%
- Of scheduled flights
- Average delay when late
- 74 min
- Flights arriving 15+ minutes late
- Flights tracked
- 222
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 44%
- Late-arriving aircraft 33%
- Airline (crew, maintenance, cleaning) 18%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Burlington (BTV) to Denver (DEN)
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
- 25 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- 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).
Santa Barbara (SBA) to Denver (DEN)
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
- â
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 92.2% | 51 |
| October 2025 | 80.6% | 31 |
| November 2025 | 86.7% | 30 |
| December 2025 | 82.1% | 56 |
| January 2026 | 100.0% | 36 |
| February 2026 | 90.2% | 42 |
| March 2026 | 63.6% | 57 |
| April 2026 | 81.8% | 56 |
| May 2026 | 74.5% | 57 |
| June 2026 | 76.8% | 56 |
| July 2026 | 70.7% | 58 |
| August 2026 | 89.5% | 57 |
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