ON TIMEBOARD

DL 1104 on time

Delta Air Lines 1104: Atlanta to Dallas at 9:15 p.m. (past 12 months)

On time
79%
335 flights · likely 74–83%
Cancelled
2.7%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+79 min
average delay
Similar flights
77%
DL, same route & hour

About 1 in 5 DL 1104 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (21%); 2.7% were cancelled. The typical flight landed 10 minutes early.

DL 1104: ATL → DAL

Scheduled to leave Atlanta at 9:15 p.m. local time. Over the past year it arrived on time 79% of the time (335 flights), in line with other DL flights on the route at that hour (77%). Last seen in the data Aug 2, 2026.

Usually Delta Air Lines's last flight of the day from Atlanta to Dallas (100% of days). Delta Air Lines's last ATL–DAL flight was cancelled 2.5% of the time, against 1.9% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 8:12 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 93% on time (30 flights)93SepOct 2025: 81% on time (31 flights)81OctNov 2025: 76% on time (29 flights)76NovDec 2025: 84% on time (31 flights)84DecJan 2026: 81% on time (31 flights)81JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 65% on time (31 flights)65MarApr 2026: 73% on time (30 flights)73AprMay 2026: 81% on time (31 flights)81MayJun 2026: 90% on time (30 flights)90JunJul 2026: 55% on time (31 flights)55JulAug 2026: too few flights (2 flights)Aug

By day of week

DayFlightsOn time
Monday4873%
Tuesday4888%
Wednesday4892%
Thursday4781%
Friday4869%
Saturday4875%
Sunday4875%

Why it was late

Airline (crew, maintenance, ops) 62%Late inbound plane 29%Air traffic & airport (NAS) 9%

All flights ATL → DAL · Connecting off DL 1104? Check the risk

Questions

How often is DL 1104 from ATL to DAL late?

Delta Air Lines 1104 from Atlanta, GA to Dallas, TX arrived 15 or more minutes late, was diverted or was cancelled on 21% of 335 scheduled flights between September 2025 and August 2026. 2.7% 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.