Flight UA1284
United Airlines flight UA1284
Looking for UA1284 in the air…
Alerts at this flight's airports
-
Advisory Coastal Flood Statement FLL
COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY EVENING
Weather
Cleveland (CLE) to Dulles (IAD)
Historically, this flight arrives 15+ minutes late 2% of the time, and when it is late the delay averages 61 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 98.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 61 min
- Flights arriving 15+ minutes late
- Flights tracked
- 49
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 85%
- Air traffic control & airport 15%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Los Angeles (LAX) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 38 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 86.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 38 min
- Flights arriving 15+ minutes late
- Flights tracked
- 43
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 71%
- Airline (crew, maintenance, cleaning) 17%
- Air traffic control & airport 12%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Newark (EWR) to Phoenix (PHX)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 43 minutes. It was cancelled 2.7% of the time.
- On-time arrivals
- 86.1%
- Less than 15 minutes late
- Cancelled
- 2.7%
- Of scheduled flights
- Average delay when late
- 43 min
- Flights arriving 15+ minutes late
- Flights tracked
- 37
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 59%
- Air traffic control & airport 30%
- Late-arriving aircraft 11%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Los Angeles (LAX) to Bozeman (BZN)
Historically, this flight arrives 15+ minutes late 6% of the time, and when it is late the delay averages 42 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 94.4%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 42 min
- Flights arriving 15+ minutes late
- Flights tracked
- 37
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 54%
- Airline (crew, maintenance, cleaning) 46%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Fort Lauderdale (FLL) to Houston (IAH)
Historically, this flight arrives 15+ minutes late 0% of the time. It was cancelled 4.8% of the time.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 4.8%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 21
- Scheduled flights in the period
Los Angeles (LAX) to Phoenix (PHX)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 85 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
- 85 min
- Flights arriving 15+ minutes late
- Flights tracked
- 21
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 50%
- Airline (crew, maintenance, cleaning) 47%
- Air traffic control & airport 4%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Newark (EWR)
Only 19 flights on record, which is too few for reliable odds.
- On-time arrivals
- 78.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 55 min
- Flights arriving 15+ minutes late
- Flights tracked
- 19
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 45%
- Airline (crew, maintenance, cleaning) 40%
- Air traffic control & airport 8%
- Extreme weather 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
San Francisco (SFO) to Chicago (ORD)
Only 19 flights on record, which is too few for reliable odds.
- On-time arrivals
- 84.2%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 76 min
- Flights arriving 15+ minutes late
- Flights tracked
- 19
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 75%
- Air traffic control & airport 22%
- Airline (crew, maintenance, cleaning) 3%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
EWR → PBI
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 68.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 97 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 79%
- Air traffic control & airport 10%
- Extreme weather 6%
- Airline (crew, maintenance, cleaning) 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Houston (IAH) to Bozeman (BZN)
Only 6 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
- 6
- Scheduled flights in the period
Chicago (ORD) to Fresno (FAT)
Only 3 flights on record, which is too few for reliable odds.
- On-time arrivals
- 66.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 26 min
- Flights arriving 15+ minutes late
- Flights tracked
- 3
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 85%
- Airline (crew, maintenance, cleaning) 15%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to San Antonio (SAT)
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
- 63 min
- Flights arriving 15+ minutes late
- Flights tracked
- 3
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 38%
- Airline (crew, maintenance, cleaning) 34%
- Air traffic control & airport 28%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Dulles (IAD) to Norfolk (ORF)
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
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 96.7% | 30 |
| October 2025 | 100.0% | 31 |
| November 2025 | 96.6% | 30 |
| December 2025 | 77.8% | 45 |
| January 2026 | 80.0% | 36 |
| February 2026 | 89.3% | 28 |
| March 2026 | 85.7% | 7 |
| April 2026 | 81.5% | 27 |
| May 2026 | 80.0% | 20 |
| August 2026 | 100.0% | 21 |
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