Flight UA2635
United Airlines flight UA2635
Looking for UA2635 in the airâŚ
Alerts at this flight's airports
-
Advisory Coastal Flood Statement FLL
COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY EVENING
Weather
Chicago (ORD) to Charlotte (CLT)
Historically, this flight arrives 15+ minutes late 27% of the time, and when it is late the delay averages 78 minutes. It was cancelled 0.9% of the time.
- On-time arrivals
- 72.8%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 78 min
- Flights arriving 15+ minutes late
- Flights tracked
- 215
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 53%
- Airline (crew, maintenance, cleaning) 34%
- Air traffic control & airport 10%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 29% of the time, and when it is late the delay averages 59 minutes. It was cancelled 1.7% of the time.
- On-time arrivals
- 71.1%
- Less than 15 minutes late
- Cancelled
- 1.7%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 116
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 58%
- Late-arriving aircraft 35%
- Airline (crew, maintenance, cleaning) 7%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Fort Lauderdale (FLL)
Historically, this flight arrives 15+ minutes late 36% of the time, and when it is late the delay averages 66 minutes. It was cancelled 1.2% of the time.
- On-time arrivals
- 63.8%
- Less than 15 minutes late
- Cancelled
- 1.2%
- Of scheduled flights
- Average delay when late
- 66 min
- Flights arriving 15+ minutes late
- Flights tracked
- 82
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 41%
- Airline (crew, maintenance, cleaning) 27%
- Late-arriving aircraft 25%
- Extreme weather 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Portland (PDX) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 150 minutes. It was cancelled 1.4% of the time.
- On-time arrivals
- 91.5%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 150 min
- Flights arriving 15+ minutes late
- Flights tracked
- 72
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 83%
- Airline (crew, maintenance, cleaning) 17%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sacramento (SMF) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 76 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 90.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 76 min
- Flights arriving 15+ minutes late
- Flights tracked
- 55
- Scheduled flights in the period
What caused the delays
- Extreme weather 41%
- Air traffic control & airport 39%
- Airline (crew, maintenance, cleaning) 21%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Reno (RNO) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 64 minutes. It was cancelled 8.3% of the time.
- On-time arrivals
- 81.8%
- Less than 15 minutes late
- Cancelled
- 8.3%
- Of scheduled flights
- Average delay when late
- 64 min
- Flights arriving 15+ minutes late
- Flights tracked
- 24
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 79%
- Airline (crew, maintenance, cleaning) 21%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Houston (IAH)
Historically, this flight arrives 15+ minutes late 38% of the time, and when it is late the delay averages 59 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 61.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 21
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 46%
- Air traffic control & airport 24%
- Airline (crew, maintenance, cleaning) 17%
- Extreme weather 13%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to New York (LGA)
Only 18 flights on record, which is too few for reliable odds.
- On-time arrivals
- 64.7%
- Less than 15 minutes late
- Cancelled
- 5.6%
- Of scheduled flights
- Average delay when late
- 81 min
- Flights arriving 15+ minutes late
- Flights tracked
- 18
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Air traffic control & airport 37%
- Airline (crew, maintenance, cleaning) 15%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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Headlines found by Google News; stories open on the publisher's site.
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 75.0% | 60 |
| October 2025 | 80.6% | 62 |
| November 2025 | 81.0% | 59 |
| December 2025 | 76.7% | 61 |
| January 2026 | 82.4% | 36 |
| February 2026 | 84.0% | 25 |
| March 2026 | 81.2% | 34 |
| April 2026 | 70.9% | 55 |
| May 2026 | 70.0% | 40 |
| June 2026 | 74.5% | 56 |
| July 2026 | 69.1% | 58 |
| August 2026 | 61.4% | 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