ON TIMEBOARD

DL 2235 on time

Delta Air Lines 2235: Denver to Atlanta at 9:39 a.m.; Atlanta to Denver at 7:25 a.m. (past 12 months). Figures below the title are for DEN → ATL, its busiest leg

On time
84%
263 flights · likely 80–88%
Cancelled
0.8%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+41 min
average delay
Similar flights
81%
DL, same route & hour

About 1 in 6 DL 2235 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (16%); 0.8% were cancelled. The typical flight landed 7 minutes early.

DL 2235: DEN → ATL

Scheduled to leave Denver at 9:39 a.m. local time. Over the past year it arrived on time 84% of the time (263 flights), better than other DL flights on the route at that hour (81%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: 72% on time (25 flights)72AugSep 2025: 85% on time (26 flights)85SepOct 2025: 100% on time (30 flights)100OctNov 2025: 97% on time (30 flights)97NovDec 2025: 68% on time (19 flights)68DecJan 2026: too few flights (13 flights)JanFeb 2026: too few flights (11 flights)FebApr 2026: 94% on time (18 flights)94AprMay 2026: 87% on time (31 flights)87MayJun 2026: 78% on time (27 flights)78JunJul 2026: 65% on time (31 flights)65JulAug 2026: 81% on time (27 flights)81Aug

By day of week

DayFlightsOn time
Monday4188%
Tuesday4088%
Wednesday4083%
Thursday3985%
Friday3985%
Saturday2685%
Sunday3879%

Why it was late

Late inbound plane 40%Air traffic & airport (NAS) 34%Airline (crew, maintenance, ops) 25%Severe weather 1%

All flights DEN → ATL · Connecting off DL 2235? Check the risk

DL 2235: ATL → DEN

Scheduled to leave Atlanta at 7:25 a.m. local time. Over the past year it arrived on time 93% of the time (196 flights), worse than other DL flights on the route at that hour (96%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jun 2025: 87% on time (23 flights)87JunJul 2025: 90% on time (30 flights)90JulAug 2025: 93% on time (30 flights)93AugSep 2025: 97% on time (30 flights)97SepOct 2025: 97% on time (31 flights)97OctNov 2025: 93% on time (30 flights)93NovDec 2025: 74% on time (19 flights)74DecJun 2026: 96% on time (24 flights)96JunJul 2026: 94% on time (31 flights)94JulAug 2026: 94% on time (31 flights)94Aug

By day of week

DayFlightsOn time
Monday2990%
Tuesday2893%
Wednesday2889%
Thursday2896%
Friday2896%
Saturday2789%
Sunday2896%

Why it was late

Airline (crew, maintenance, ops) 64%Air traffic & airport (NAS) 34%Severe weather 2%

All flights ATL → DEN · Connecting off DL 2235? Check the risk

Questions

How often is DL 2235 from DEN to ATL late?

Delta Air Lines 2235 from Denver, CO to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 16% of 263 scheduled flights between September 2025 and August 2026. 0.8% were cancelled.

How often is DL 2235 from ATL to DEN late?

Delta Air Lines 2235 from Atlanta, GA to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 7% of 196 scheduled flights between September 2025 and August 2026. 1.0% 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 Delta Air Lines for today's flight. Method.