ON TIMEBOARD

AA 398 on time

American Airlines 398: Dallas to Columbus at 8:24 p.m. (past 12 months)

On time
50%
149 flights · likely 42–58%
Cancelled
3.4%
of scheduled flights
Typical arrival
+13 min
median vs schedule
When late
+73 min
average delay
Similar flights
55%
AA, same route & hour

About 5 in 10 AA 398 flights from Dallas arrived 15+ minutes late, diverted or cancelled over the past year (50%); 3.4% were cancelled. The typical flight landed 13 minutes late.

AA 398: DFW → CMH

Scheduled to leave Dallas at 8:24 p.m. local time. Over the past year it arrived on time 50% of the time (149 flights), worse than other AA flights on the route at that hour (55%). Last seen in the data Aug 4, 2026.

Usually American Airlines's last flight of the day from Dallas to Columbus (100% of days). American Airlines's last DFW–CMH flight was cancelled 2.7% of the time, against 1.8% for its earlier ones. If it's cancelled, the next American Airlines flight is usually around 7:15 a.m. the next morning.

Month by month

20%60%100%Jul 2025: 44% on time (25 flights)44JulAug 2025: too few flights (4 flights)AugNov 2025: too few flights (11 flights)NovDec 2025: too few flights (14 flights)DecJan 2026: too few flights (3 flights)JanFeb 2026: 65% on time (17 flights)65FebMar 2026: 58% on time (24 flights)58MarApr 2026: too few flights (5 flights)AprMay 2026: too few flights (11 flights)MayJun 2026: 37% on time (30 flights)37JunJul 2026: 30% on time (30 flights)30JulAug 2026: too few flights (4 flights)Aug

By day of week

DayFlightsOn time
Monday2245%
Tuesday17—
Wednesday18—
Thursday2662%
Friday2365%
Saturday14—
Sunday2934%

Why it was late

Late inbound plane 71%Airline (crew, maintenance, ops) 19%Air traffic & airport (NAS) 6%Severe weather 4%

All flights DFW → CMH · Connecting off AA 398? Check the risk

Questions

How often is AA 398 from DFW to CMH late?

American Airlines 398 from Dallas/Fort Worth, TX to Columbus, OH arrived 15 or more minutes late, was diverted or was cancelled on 50% of 149 scheduled flights between September 2025 and August 2026. 3.4% 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 American Airlines for today's flight. Method.