ON TIMEBOARD

UA 570 on time

United Airlines 570: Boston to Newark at 8:00 a.m. (past 12 months)

On time
88%
288 flights · likely 84–91%
Cancelled
1.4%
of scheduled flights
Typical arrival
−13 min
median vs schedule
When late
+89 min
average delay
Similar flights
89%
UA, same route & hour

About 1 in 8 UA 570 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (12%); 1.4% were cancelled. The typical flight landed 13 minutes early.

UA 570: BOS → EWR

Scheduled to leave Boston at 8:00 a.m. local time. Over the past year it arrived on time 88% of the time (288 flights), in line with other UA flights on the route at that hour (89%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: 90% on time (31 flights)90AugSep 2025: 87% on time (30 flights)87SepOct 2025: 92% on time (25 flights)92OctDec 2025: 87% on time (30 flights)87DecJan 2026: too few flights (5 flights)JanFeb 2026: 76% on time (17 flights)76FebMar 2026: 87% on time (31 flights)87MarApr 2026: 97% on time (30 flights)97AprMay 2026: 93% on time (28 flights)93MayJun 2026: 87% on time (30 flights)87JunJul 2026: 87% on time (31 flights)87JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday4283%
Tuesday4193%
Wednesday4188%
Thursday4288%
Friday4293%
Saturday3982%
Sunday4190%

Why it was late

Airline (crew, maintenance, ops) 50%Air traffic & airport (NAS) 28%Severe weather 14%Late inbound plane 8%

All flights BOS → EWR · Connecting off UA 570? Check the risk

Questions

How often is UA 570 from BOS to EWR late?

United Airlines 570 from Boston, MA to Newark, NJ arrived 15 or more minutes late, was diverted or was cancelled on 12% of 288 scheduled flights between September 2025 and August 2026. 1.4% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.