Flight UA2631
United Airlines flight UA2631
Looking for UA2631 in the airâŚ
Newark (EWR) to Sarasota/Bradenton (SRQ)
Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 58 minutes. It was cancelled 1.2% of the time.
- On-time arrivals
- 90.7%
- Less than 15 minutes late
- Cancelled
- 1.2%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 249
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 52%
- Air traffic control & airport 43%
- Extreme weather 5%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Boston (BOS) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 90 minutes. It was cancelled 2.9% of the time.
- On-time arrivals
- 83.3%
- Less than 15 minutes late
- Cancelled
- 2.9%
- Of scheduled flights
- Average delay when late
- 90 min
- Flights arriving 15+ minutes late
- Flights tracked
- 68
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 69%
- Air traffic control & airport 31%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Savannah (SAV)
Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 101 minutes. It was cancelled 4.3% of the time.
- On-time arrivals
- 84.1%
- Less than 15 minutes late
- Cancelled
- 4.3%
- Of scheduled flights
- Average delay when late
- 101 min
- Flights arriving 15+ minutes late
- Flights tracked
- 46
- Scheduled flights in the period
What caused the delays
- Extreme weather 51%
- Late-arriving aircraft 27%
- Air traffic control & airport 13%
- Airline (crew, maintenance, cleaning) 9%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Houston (IAH) to Philadelphia (PHL)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 34 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
- 34 min
- Flights arriving 15+ minutes late
- Flights tracked
- 35
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 71%
- Extreme weather 17%
- Late-arriving aircraft 13%
- Airline (crew, maintenance, cleaning) 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 | 93.3% | 30 |
| October 2025 | 90.3% | 31 |
| November 2025 | 86.7% | 30 |
| December 2025 | 86.2% | 29 |
| January 2026 | 88.0% | 26 |
| February 2026 | 85.7% | 23 |
| March 2026 | 96.8% | 31 |
| April 2026 | 96.6% | 29 |
| May 2026 | 87.1% | 31 |
| June 2026 | 88.9% | 36 |
| July 2026 | 86.0% | 61 |
| August 2026 | 78.0% | 41 |
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