Flight profile · United Airlines
UA563
Chicago (ORD) to Newark (EWR) · scheduled 7:10 AM – 10:30 AM
How UA563 performs
941 operations, 2023-10-29 to 2026-06-30.
UA563 arrived on time 90.4% of the time, against 72.0% for all ORD → EWR flights — this specific departure is 18.4 percentage points better than the route as a whole. Against United Airlines’s own flights on this route it is 15.9 points better.
Source: US DOT Bureau of Transportation Statistics · 941 operations between 2023-10-29 to 2026-06-30
Against the rest of the route
| On time | Cancelled | Median delay | Severe | Flights | |
|---|---|---|---|---|---|
| UA563 | 90.4% | 1.17% | -14 min | 3.1% | 941 |
| United Airlines on ORD → EWR | 74.6% | 2.03% | -7 min | 11.9% | 12,629 |
| All ORD → EWR flights | 72.0% | 2.61% | -5 min | 12.9% | 17,938 |
Source: FlyerIntel analysis of US DOT BTS data · 2023-10-29 to 2026-06-30
By day of week
Does UA563 run worse on particular days?
Wednesday is historically the most reliable day and Monday the least, a gap of 7.9 percentage points.
Source: FlyerIntel analysis of US DOT BTS data · 2023-10-29 to 2026-06-30 · Days with fewer than 120 operations are not scored.
Other routes UA563 has flown
A flight number is a slot in a schedule, and carriers reassign it. These are the other city pairs this number served in the analysis period.
| Route | Operated | Flights | On time |
|---|---|---|---|
| LAX→TPA Los Angeles to Tampa | 2026-03-07 – 2026-03-28 | 4 | — |
| SFO→STL San Francisco to St. Louis | 2026-02-14 – 2026-02-28 | 3 | — |
| PBI→IAH West Palm Beach to Houston | 2026-02-04 – 2026-02-04 | 1 | — |
| LAS→ORD Las Vegas to Chicago | 2025-05-23 – 2025-06-13 | 12 | — |
| IAH→TUL Houston to Tulsa | 2025-02-15 – 2025-03-01 | 3 | — |
| IAH→FLL Houston to Fort Lauderdale | 2024-11-29 – 2024-11-30 | 2 | — |
| ORD→SAV Chicago to Savannah | 2024-06-29 – 2024-08-17 | 8 | — |
| PHX→ORD Phoenix to Chicago | 2023-12-21 – 2024-01-08 | 19 | — |
| EWR→JAX Newark to Jacksonville | 2024-01-01 – 2024-01-08 | 7 | — |
| RDU→IAH Raleigh–Durham to Houston | 2023-07-01 – 2023-10-28 | 119 | 93.3% |
Because the same number has served different journeys, the statistics above describe only the route UA563 currently operates. Blending them would produce an average of two different flights.
Data and methodology
Calculated by FlyerIntel from 941 records of UA563 operating ORD → EWR, published by the US DOT Bureau of Transportation Statistics. A flight counts as delayed when it arrives 15 or more minutes after schedule. Cancelled and diverted flights are excluded from the on-time rate and reported separately. Flight numbers are resolved as carrier plus number plus route, because the same number serves different routes over time.