ON TIMEBOARD

AA 1048 on time

American Airlines 1048: Dallas to Boston at 4:04 p.m. (past 12 months)

On time
43%
155 flights · likely 36–51%
Cancelled
2.6%
of scheduled flights
Typical arrival
+21 min
median vs schedule
When late
+76 min
average delay
Similar flights
52%
AA, same route & hour

About 6 in 10 AA 1048 flights from Dallas arrived 15+ minutes late, diverted or cancelled over the past year (57%); 2.6% were cancelled. The typical flight landed 21 minutes late.

AA 1048: DFW → BOS

Scheduled to leave Dallas at 4:04 p.m. local time. Over the past year it arrived on time 43% of the time (155 flights), worse than other AA flights on the route at that hour (52%). Last seen in the data Aug 4, 2026.

Month by month

10%55%100%Apr 2025: 50% on time (30 flights)50AprMay 2025: 52% on time (31 flights)52MayJun 2025: 23% on time (30 flights)23JunJul 2025: 32% on time (31 flights)32JulAug 2025: 39% on time (31 flights)39AugSep 2025: 33% on time (30 flights)33SepOct 2025: too few flights (5 flights)OctApr 2026: 63% on time (24 flights)63AprMay 2026: 55% on time (31 flights)55MayJun 2026: 33% on time (30 flights)33JunJul 2026: 32% on time (31 flights)32JulAug 2026: too few flights (4 flights)Aug

By day of week

DayFlightsOn time
Monday2227%
Tuesday2339%
Wednesday2250%
Thursday2227%
Friday2255%
Saturday2277%
Sunday2227%

Why it was late

Late inbound plane 43%Air traffic & airport (NAS) 29%Airline (crew, maintenance, ops) 23%Severe weather 5%

All flights DFW → BOS · Connecting off AA 1048? Check the risk

Questions

How often is AA 1048 from DFW to BOS late?

American Airlines 1048 from Dallas/Fort Worth, TX to Boston, MA arrived 15 or more minutes late, was diverted or was cancelled on 57% of 155 scheduled flights between September 2025 and August 2026. 2.6% 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 American Airlines for today's flight. Method.