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WanderNerd

Flight Reliability

AA 558 · American Airlines

Dallas–Fort Worth → Salt Lake City (DFWSLC)89% of its flights flew this route. The rest (BZN–ORD) are included in these numbers.

35
Bring Snacks
WanderNerd Reliability Score
53%
Arrive within 15 minutes
35 min
Average arrival delay
3.4%
Cancelled
12 min
Median arrival delay

Based on 234 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

AA 558 departing between 6–9 AM arrived on time 88% of the time, versus 48% between 3–6 PM.

Thursdays have been rough.

AA 558 arrived on time 72% of the time on Tuesdays and just 39% on Thursdays. That gap is worth planning around.

Well behind the DFW–SLC route.

AA 558 arrived on time 53% of the time, versus 71% across the DFW–SLC route.

Well behind the American Airlines network.

AA 558 arrived on time 53% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon39%(33 flights)
  • Tue72%(36 flights)
  • Wed48%(29 flights)
  • Thu39%(28 flights)
  • Fri58%(33 flights)
  • Sat57%(35 flights)
  • Sun50%(32 flights)
On-time by departure window
  • 6–9 AM88%(25 flights)
  • 3–6 PM48%(192 flights)
  • 6–9 PM(9 flights)
On-time trend by month
64%
May

Jun 61% → May 64% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%28
July 202523%30
August 202533%30
September 202559%29
October 202539%31
January 202682%17
April 202663%24
May 202664%28
Departures on time
54%
Diverted
0%
Flights flown
226
Months covered
10

Based on 234 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.