Skip to content
WanderNerd
Check a flight

Flight Reliability

AA 5157 · American Airlines

Dayton → Dallas–Fort Worth (DAY–DFW)

86
Pretty Reliable
WanderNerd Reliability Score
86%
Arrive within 15 minutes
0 min
Average arrival delay
1.6%
Cancelled
15 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Skip Saturday if you can.

AA 5157 arrived on time 92% of the time on Tuesdays. On Saturdays: 78%.

A bit ahead of the DAY–DFW route.

AA 5157 arrived on time 86% of the time, versus 79% across the DAY–DFW route.

Better than the American Airlines network average.

AA 5157 arrived on time 86% of the time, versus 77% across the American Airlines network.

Ticking up lately.

AA 5157 arrived on time 87% of the time over the last three months in the data, compared with 81% in the three months before that.

The breakdown

On-time by weekday
  • Mon88%(51 flights)
  • Tue92%(50 flights)
  • Wed90%(52 flights)
  • Thu85%(52 flights)
  • Fri81%(52 flights)
  • Sat78%(50 flights)
  • Sun84%(51 flights)
On-time trend by month
94%
May

Jun 70% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%30
July 202594%31
August 202587%31
September 202597%30
October 202590%30
November 202587%30
December 202571%31
January 202682%28
February 202689%26
March 202687%30
April 202680%30
May 202694%31
Departures on time
88%
Diverted
0.3%
Flights flown
358
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.