ON TIMEBOARD

DL 2377 on time

Delta Air Lines 2377: Salt Lake City to Chicago at 2:40 p.m. (past 12 months)

On time
67%
285 flights · likely 61–72%
Cancelled
1.4%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+62 min
average delay
Similar flights
63%
DL, same route & hour

About 1 in 3 DL 2377 flights from Salt Lake City arrived 15+ minutes late, diverted or cancelled over the past year (33%); 1.4% were cancelled. The typical flight landed 3 minutes early.

DL 2377: SLC → ORD

Scheduled to leave Salt Lake City at 2:40 p.m. local time. Over the past year it arrived on time 67% of the time (285 flights), better than other DL flights on the route at that hour (63%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 81% on time (26 flights)81SepOct 2025: 81% on time (26 flights)81OctNov 2025: 67% on time (24 flights)67NovDec 2025: 46% on time (24 flights)46DecJan 2026: 81% on time (16 flights)81JanFeb 2026: too few flights (14 flights)FebMar 2026: 76% on time (25 flights)76MarApr 2026: 62% on time (26 flights)62AprMay 2026: 68% on time (25 flights)68MayJun 2026: 46% on time (26 flights)46JunJul 2026: 74% on time (27 flights)74JulAug 2026: 46% on time (26 flights)46Aug

By day of week

DayFlightsOn time
Monday5364%
Tuesday4372%
Wednesday4163%
Thursday4971%
Friday5068%
Saturday1—
Sunday4865%

Why it was late

Air traffic & airport (NAS) 59%Airline (crew, maintenance, ops) 30%Late inbound plane 8%Severe weather 3%

All flights SLC → ORD · Connecting off DL 2377? Check the risk

Questions

How often is DL 2377 from SLC to ORD late?

Delta Air Lines 2377 from Salt Lake City, UT to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 33% of 285 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 Delta Air Lines for today's flight. Method.