UA1525

UA1525 arrived on time 80.9% of the time, against 73.5% for all EWR → ORD flights, so this departure is 7.4 percentage points better than the route as a whole. Against United Airlines’ own flights on this route it is 6.7 points better.

Source: US DOT Bureau of Transportation Statistics · 775 operations, May 2024 – July 2026 · If UA1525 is cancelled or significantly changed, DOT’s automatic refund rule may entitle you to your money back. The refund checker walks through eligibility.

UA1525 has cancelled 0.65% of its scheduled departures (5 of 775), against 2.88% for all EWR → ORD flights — this specific departure cancels 2.2 percentage points less often than the route as a whole. Different flight numbers on the same route can carry different aircraft, crews and schedules, so this is a fact about UA1525 specifically, not about the route it flies.

Source: FlyerIntel analysis of US DOT BTS data · May 2024 – July 2026

Share of the delay minutes US DOT attributed to each cause for UA1525 on EWR → ORD. Only delays of 15 minutes or more are attributed.

Source: US DOT Bureau of Transportation Statistics · Data covering May 2024 – July 2026

The aircraft flying UA1525 came in 15 or more minutes late on 12% of the departures where its previous flight is known. There are not enough departures in both groups to say how the flight left after a late one and after an on-time one.

Each departure is matched to the flight the same aircraft flew into EWR just before it, using the tail number in the DOT file, 554 of 770 departures in all. A departure is left out when that flight is unknown, was cancelled or diverted, or the aircraft had sat for more than 12 hours. A flight the airline cancelled never left and is not in the count, and one flown by a substitute aircraft is matched to the aircraft that flew it, not to the one first planned.

Source: US DOT Bureau of Transportation Statistics · Data covering May 2024 – July 2026

UA1525 pushes back an average of 9.4 minutes late and reaches the gate at ORD an average of 3.8 minutes late. The 5.5 minutes between those two figures are slack the published schedule already carries, which is why a late pushback on this flight does not reliably become a late arrival. Its 24.7 minutes on the taxiways at EWR is about what any departure from the airport in that hour spends.

On arrival at ORD, UA1525 spends 16.5 min taxiing from touchdown to the gate — ground time a connecting passenger sits through before they can even leave the aircraft, on top of however late the flight itself ran. That is 1.3 minutes shorter than a typical ORD arrival (17.8 min).

Departure delay is averaged over every pushback and arrival delay over every completed arrival, so the two counts differ by the flights that never reached ORD. Taxi-out is gate to wheels up and sits inside the scheduled block rather than on top of it; the comparison is 23,655 departures from EWR scheduled in the clock hour UA1525 most often leaves in. Taxi-in is landing to gate, compared against every arrival FlyerIntel has on file at ORD (952,666 flights), not just UA1525’s own. More on taxi time.

Source: FlyerIntel analysis of US DOT BTS data · May 2024 – July 2026

UA1525 is scheduled out of EWR at 10:30 AM, in the 10 AM–11 AM bank. Departures from EWR in that hour arrive on time 82.3% of the time against 77.7% across the airport’s whole day — the slot alone is worth 4.6 points better before anything about this particular flight is considered.

The two airport figures cover every departure from EWR to every destination, so they describe the slot rather than this journey — the like-for-like comparison against the route is above. Hours are scheduled local, and a number whose schedule moved between banks inside the period has no single hour and is not described here at all. Why the hour matters.

Source: FlyerIntel analysis of US DOT BTS data · May 2024 – July 2026 · Hours below 120 departures are not scored.

Because the same number has served different journeys, the statistics above describe only the route UA1525 currently operates. Blending them would produce an average of two different flights.

Source: US DOT Bureau of Transportation Statistics · Data covering May 2024 – July 2026

Every departure listed carries at least 600 operations, so the comparison is between figures that mean something. UA1525 is placed in the same ordering rather than left out of it; the rows around it are the most punctual departures on the route, not all of them, so this is a comparison and not a rank. Schedules change; confirm the departure still operates before booking around this.

• UA254 EWR→ORD United Airlines on the same route, departs 6:25 PM, on time 47.4%
• UA546 EWR→ORD United Airlines on the same route, departs 7:45 PM, on time 64.0%
• UA563 ORD→EWR Return trip, ORD to EWR, departs 7:10 AM, on time 90.3%
• UA2235 MSY→EWR United Airlines flight into EWR, MSY to EWR, departs 7:54 PM, on time 73.9%