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Flight Reliability

AA 479 · American Airlines

Boston → Dallas–Fort Worth (BOS–DFW)86% of its flights flew this route. The rest (CLT–SRQ, ORD–PHL) are included in these numbers.

83
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
13 min
Average arrival delay
0.4%
Cancelled
10 min early
Median arrival delay

Based on 243 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

AA 479 departing between 9 AM–12 PM arrived on time 86% of the time, versus 65% between 6–9 PM.

Sunday scaries are real for this one.

AA 479 arrived on time 91% of the time on Tuesdays and just 71% on Sundays. That gap is worth planning around.

A bit ahead of the BOS–DFW route.

AA 479 arrived on time 83% of the time, versus 77% across the BOS–DFW route.

A bit ahead of the American Airlines network.

AA 479 arrived on time 83% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon88%(34 flights)
  • Tue91%(35 flights)
  • Wed81%(36 flights)
  • Thu74%(34 flights)
  • Fri91%(33 flights)
  • Sat88%(33 flights)
  • Sun71%(34 flights)
On-time by departure window
  • 9 AM–12 PM86%(201 flights)
  • 12–3 PM—(8 flights)
  • 6–9 PM65%(26 flights)
  • 9 PM–12 AM—(4 flights)
On-time trend by month
67%
May

Jun 90% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
July 202587%31
August 202590%29
September 202586%29
October 202590%31
March 202671%24
April 202680%30
May 202667%30
Departures on time
80%
Diverted
1.2%
Flights flown
239
Months covered
10

Same route, other flights

Keep nerding

Based on 243 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.