Skip to content
WanderNerd
Check a flight

Flight Reliability

AA 1797 · American Airlines

Dallas–Fort Worth → Las Vegas (DFW–LAS)97% of its flights flew this route. The rest (MIA–PHL) are included in these numbers.

40
Bring Snacks
WanderNerd Reliability Score
55%
Arrive within 15 minutes
28 min
Average arrival delay
3.3%
Cancelled
9 min
Median arrival delay

Based on 330 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

AA 1797 arrived on time 70% of the time on Wednesdays and just 31% on Sundays. That gap is worth planning around.

Lagging the DFW–LAS route.

AA 1797 arrived on time 55% of the time, versus 70% across the DFW–LAS route.

Well behind the American Airlines network.

AA 1797 arrived on time 55% of the time, versus 77% across the American Airlines network.

Keep a backup plan handy.

AA 1797 was cancelled 3.3% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon50%(48 flights)
  • Tue61%(44 flights)
  • Wed70%(43 flights)
  • Thu59%(46 flights)
  • Fri55%(44 flights)
  • Sat64%(45 flights)
  • Sun31%(48 flights)
On-time by departure window
  • 9 AM–12 PM—(9 flights)
  • 6–9 PM55%(189 flights)
  • 9 PM–12 AM56%(120 flights)
On-time trend by month
72%
May

Jun 44% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202544%27
July 202543%28
August 202543%30
September 202555%29
October 202554%28
November 202550%28
December 202575%28
January 202650%10
February 202645%20
March 202668%31
April 202657%30
May 202672%29
Departures on time
52%
Diverted
0.3%
Flights flown
318
Months covered
12

Same route, other flights

Keep nerding

Based on 330 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.