ON TIMEBOARD

AA 977 on time

American Airlines 977: Harrisburg to Dallas at 7:00 a.m. (past 12 months)

On time
84%
182 flights · likely 78–89%
Cancelled
2.2%
of scheduled flights
Typical arrival
−14 min
median vs schedule
When late
+116 min
average delay
Similar flights
82%
AA, same route & hour

About 1 in 6 AA 977 flights from Harrisburg arrived 15+ minutes late, diverted or cancelled over the past year (16%); 2.2% were cancelled. The typical flight landed 14 minutes early.

AA 977: MDT → DFW

Scheduled to leave Harrisburg at 7:00 a.m. local time. Over the past year it arrived on time 84% of the time (182 flights), in line with other AA flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2025: 87% on time (30 flights)87AprMay 2025: 90% on time (31 flights)90MayJun 2025: 87% on time (30 flights)87JunJul 2025: 87% on time (31 flights)87JulAug 2025: 81% on time (31 flights)81AugSep 2025: 93% on time (30 flights)93SepOct 2025: too few flights (5 flights)OctApr 2026: 83% on time (24 flights)83AprMay 2026: 74% on time (31 flights)74MayJun 2026: 80% on time (30 flights)80JunJul 2026: 84% on time (31 flights)84JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday2677%
Tuesday2677%
Wednesday2677%
Thursday2696%
Friday2681%
Saturday26100%
Sunday2681%

Why it was late

Airline (crew, maintenance, ops) 47%Late inbound plane 33%Air traffic & airport (NAS) 14%Severe weather 5%

All flights MDT → DFW · Connecting off AA 977? Check the risk

Questions

How often is AA 977 from MDT to DFW late?

American Airlines 977 from Harrisburg, PA to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 16% of 182 scheduled flights between September 2025 and August 2026. 2.2% 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.