Flight UA1559
United Airlines flight UA1559
Looking for UA1559 in the airâŚ
Alerts at this flight's airports
-
Advisory Airport Closure SNA
Airport Closure at John Wayne Orange County International Airport (SNA): Reopens Nov 08 at 14:15 UTC.
Airport status
Santa Ana (SNA) to Newark (EWR)
Historically, this flight arrives 15+ minutes late 36% of the time, and when it is late the delay averages 99 minutes. It was cancelled 1.7% of the time.
- On-time arrivals
- 63.8%
- Less than 15 minutes late
- Cancelled
- 1.7%
- Of scheduled flights
- Average delay when late
- 99 min
- Flights arriving 15+ minutes late
- Flights tracked
- 343
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 71%
- Late-arriving aircraft 23%
- Airline (crew, maintenance, cleaning) 5%
- Extreme weather 1%
- 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 44% of the time, and when it is late the delay averages 75 minutes. It was cancelled 23.8% of the time.
- On-time arrivals
- 56.2%
- Less than 15 minutes late
- Cancelled
- 23.8%
- Of scheduled flights
- Average delay when late
- 75 min
- Flights arriving 15+ minutes late
- Flights tracked
- 21
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 85%
- Airline (crew, maintenance, cleaning) 8%
- Air traffic control & airport 7%
- 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 | 69.0% | 30 |
| October 2025 | 41.9% | 31 |
| November 2025 | 46.4% | 29 |
| December 2025 | 54.8% | 31 |
| January 2026 | 53.3% | 31 |
| February 2026 | 69.2% | 28 |
| March 2026 | 51.7% | 31 |
| April 2026 | 86.7% | 30 |
| May 2026 | 90.3% | 31 |
| June 2026 | 82.1% | 30 |
| July 2026 | 70.4% | 31 |
| August 2026 | 44.0% | 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