ON TIMEBOARD

UA 1815 on time

United Airlines 1815: San Francisco to Nashville at 11:59 p.m. (past 12 months)

On time
77%
142 flights · likely 69–83%
Cancelled
0.0%
of scheduled flights
Typical arrival
−2 min
median vs schedule
When late
+41 min
average delay
Similar flights
78%
UA, same route & hour

About 1 in 4 UA 1815 flights from San Francisco arrived 15+ minutes late, diverted or cancelled over the past year (23%); 0.0% were cancelled. The typical flight landed 2 minutes early.

UA 1815: SFO → BNA

Scheduled to leave San Francisco at 11:59 p.m. local time. Over the past year it arrived on time 77% of the time (142 flights), in line with other UA flights on the route at that hour (78%). Last seen in the data Aug 30, 2026.

Usually United Airlines's last flight of the day from San Francisco to Nashville (100% of days). United Airlines's last SFO–BNA flight was cancelled 0.3% of the time, against 0.4% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 9:17 a.m. the next morning.

Month by month

40%70%100%Mar 2026: 79% on time (19 flights)79MarApr 2026: 89% on time (18 flights)89AprMay 2026: 80% on time (25 flights)80MayJun 2026: 67% on time (30 flights)67JunJul 2026: 74% on time (31 flights)74JulAug 2026: 79% on time (19 flights)79Aug

By day of week

DayFlightsOn time
Monday15—
Tuesday11—
Wednesday2568%
Thursday2669%
Friday19—
Saturday2095%
Sunday2677%

Why it was late

Airline (crew, maintenance, ops) 59%Air traffic & airport (NAS) 22%Late inbound plane 19%

All flights SFO → BNA · Connecting off UA 1815? Check the risk

Questions

How often is UA 1815 from SFO to BNA late?

United Airlines 1815 from San Francisco, CA to Nashville, TN arrived 15 or more minutes late, was diverted or was cancelled on 23% of 142 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.