ON TIMEBOARD

DL 464 on time

Delta Air Lines 464: Boston to Salt Lake City at 10:20 a.m. (past 12 months)

On time
75%
353 flights · likely 71–80%
Cancelled
0.9%
of scheduled flights
Typical arrival
−1 min
median vs schedule
When late
+88 min
average delay
Similar flights
76%
DL, same route & hour

About 1 in 4 DL 464 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (25%); 0.9% were cancelled. The typical flight landed 1 minutes early.

DL 464: BOS → SLC

Scheduled to leave Boston at 10:20 a.m. local time. Over the past year it arrived on time 75% of the time (353 flights), in line with other DL flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 84% on time (31 flights)84OctNov 2025: 79% on time (28 flights)79NovDec 2025: 68% on time (28 flights)68DecJan 2026: 70% on time (30 flights)70JanFeb 2026: 75% on time (24 flights)75FebMar 2026: 72% on time (29 flights)72MarApr 2026: 83% on time (30 flights)83AprMay 2026: 68% on time (31 flights)68MayJun 2026: 70% on time (30 flights)70JunJul 2026: 81% on time (31 flights)81JulAug 2026: 65% on time (31 flights)65Aug

By day of week

DayFlightsOn time
Monday5379%
Tuesday4973%
Wednesday4777%
Thursday4978%
Friday5178%
Saturday5271%
Sunday5271%

Why it was late

Airline (crew, maintenance, ops) 69%Air traffic & airport (NAS) 19%Late inbound plane 12%

All flights BOS → SLC · Connecting off DL 464? Check the risk

Questions

How often is DL 464 from BOS to SLC late?

Delta Air Lines 464 from Boston, MA to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 25% of 353 scheduled flights between September 2025 and August 2026. 0.9% 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 Delta Air Lines for today's flight. Method.