ON TIMEBOARD
United Airlines / EWR → SFO

UA 2115 on time

United Airlines 2115: Newark to San Francisco at 6:00 a.m.; San Francisco to Burbank at 10:23 a.m. (past 12 months). Figures below the title are for EWR → SFO, its busiest leg

On time
81%
362 flights · likely 76–84%
Cancelled
2.8%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+73 min
average delay
Similar flights
81%
UA, same route & hour

About 1 in 5 UA 2115 flights from Newark arrived 15+ minutes late, diverted or cancelled over the past year (19%); 2.8% were cancelled. The typical flight landed 8 minutes early.

UA 2115: EWR → SFO

Scheduled to leave Newark at 6:00 a.m. local time. Over the past year it arrived on time 81% of the time (362 flights), in line with other UA flights on the route at that hour (81%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 77% on time (30 flights)77SepOct 2025: 81% on time (31 flights)81OctNov 2025: 83% on time (30 flights)83NovDec 2025: 71% on time (31 flights)71DecJan 2026: 77% on time (31 flights)77JanFeb 2026: 67% on time (27 flights)67FebMar 2026: 87% on time (31 flights)87MarApr 2026: 90% on time (30 flights)90AprMay 2026: 90% on time (30 flights)90MayJun 2026: 80% on time (30 flights)80JunJul 2026: 80% on time (30 flights)80JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday5379%
Tuesday5283%
Wednesday5184%
Thursday5283%
Friday5275%
Saturday5184%
Sunday5176%

Why it was late

Airline (crew, maintenance, ops) 54%Air traffic & airport (NAS) 26%Late inbound plane 18%Severe weather 2%

All flights EWR → SFO · Connecting off UA 2115? Check the risk

UA 2115: SFO → BUR

Scheduled to leave San Francisco at 10:23 a.m. local time. Over the past year it arrived on time 82% of the time (156 flights), worse than other UA flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2026: too few flights (3 flights)MarApr 2026: 90% on time (30 flights)90AprMay 2026: 71% on time (31 flights)71MayJun 2026: 77% on time (30 flights)77JunJul 2026: 84% on time (31 flights)84JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday2387%
Tuesday2286%
Wednesday22100%
Thursday2277%
Friday2273%
Saturday2286%
Sunday2365%

Why it was late

Late inbound plane 54%Airline (crew, maintenance, ops) 35%Air traffic & airport (NAS) 11%

All flights SFO → BUR · Connecting off UA 2115? Check the risk

Questions

How often is UA 2115 from EWR to SFO late?

United Airlines 2115 from Newark, NJ to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 19% of 362 scheduled flights between September 2025 and August 2026. 2.8% were cancelled.

How often is UA 2115 from SFO to BUR late?

United Airlines 2115 from San Francisco, CA to Burbank, CA arrived 15 or more minutes late, was diverted or was cancelled on 18% of 156 scheduled flights between September 2025 and August 2026. 0.0% 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.