ON TIMEBOARD

DL 874 on time

Delta Air Lines 874: Atlanta to Boise at 10:00 a.m.; Boise to Atlanta at 1:40 p.m. (past 12 months). Figures below the title are for ATL → BOI, its busiest leg

On time
88%
365 flights · likely 85–91%
Cancelled
1.6%
of scheduled flights
Typical arrival
−6 min
median vs schedule
When late
+47 min
average delay
Similar flights
89%
DL, same route & hour

About 1 in 9 DL 874 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (12%); 1.6% were cancelled. The typical flight landed 6 minutes early.

DL 874: ATL → BOI

Scheduled to leave Atlanta at 10:00 a.m. local time. Over the past year it arrived on time 88% of the time (365 flights), in line with other DL flights on the route at that hour (89%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 100% on time (30 flights)100SepOct 2025: 84% on time (31 flights)84OctNov 2025: 83% on time (30 flights)83NovDec 2025: 77% on time (31 flights)77DecJan 2026: 87% on time (31 flights)87JanFeb 2026: 96% on time (28 flights)96FebMar 2026: 68% on time (31 flights)68MarApr 2026: 93% on time (30 flights)93AprMay 2026: 94% on time (31 flights)94MayJun 2026: 100% on time (30 flights)100JunJul 2026: 94% on time (31 flights)94JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday5387%
Tuesday5292%
Wednesday5283%
Thursday5292%
Friday5290%
Saturday5287%
Sunday5288%

Why it was late

Airline (crew, maintenance, ops) 48%Air traffic & airport (NAS) 27%Late inbound plane 25%

All flights ATL → BOI · Connecting off DL 874? Check the risk

DL 874: BOI → ATL

Scheduled to leave Boise at 1:40 p.m. local time. Over the past year it arrived on time 86% of the time (365 flights), in line with other DL flights on the route at that hour (86%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 93% on time (30 flights)93SepOct 2025: 87% on time (31 flights)87OctNov 2025: 87% on time (30 flights)87NovDec 2025: 87% on time (31 flights)87DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 100% on time (28 flights)100FebMar 2026: 74% on time (31 flights)74MarApr 2026: 90% on time (30 flights)90AprMay 2026: 81% on time (31 flights)81MayJun 2026: 97% on time (30 flights)97JunJul 2026: 77% on time (31 flights)77JulAug 2026: 81% on time (31 flights)81Aug

By day of week

DayFlightsOn time
Monday5387%
Tuesday5288%
Wednesday5290%
Thursday5288%
Friday5277%
Saturday5290%
Sunday5283%

Why it was late

Airline (crew, maintenance, ops) 63%Late inbound plane 19%Air traffic & airport (NAS) 14%Severe weather 4%

All flights BOI → ATL · Connecting off DL 874? Check the risk

Questions

How often is DL 874 from ATL to BOI late?

Delta Air Lines 874 from Atlanta, GA to Boise, ID arrived 15 or more minutes late, was diverted or was cancelled on 12% of 365 scheduled flights between September 2025 and August 2026. 1.6% were cancelled.

How often is DL 874 from BOI to ATL late?

Delta Air Lines 874 from Boise, ID to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 14% of 365 scheduled flights between September 2025 and August 2026. 1.6% 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.