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Flight Reliability

AA 1404 · American Airlines

Denver → Phoenix (DEN–PHX)100% of its flights flew this route. The rest (IND–DFW) are included in these numbers.

75
Usually Fine
WanderNerd Reliability Score
80%
Arrive within 15 minutes
29 min
Average arrival delay
0.9%
Cancelled
3 min early
Median arrival delay

Based on 345 historical flights. Data through May 2026.

What the data says

Tuesdays have been rough.

AA 1404 arrived on time 93% of the time on Wednesdays and just 73% on Tuesdays. That gap is worth planning around.

A bit ahead of the DEN–PHX route.

AA 1404 arrived on time 80% of the time, versus 76% across the DEN–PHX route.

A bit ahead of the American Airlines network.

AA 1404 arrived on time 80% of the time, versus 77% across the American Airlines network.

Slipping a little lately.

AA 1404 arrived on time 77% of the time over the last three months in the data, compared with 80% in the three months before that.

The breakdown

On-time by weekday
  • Mon76%(50 flights)
  • Tue73%(52 flights)
  • Wed93%(40 flights)
  • Thu78%(51 flights)
  • Fri78%(51 flights)
  • Sat87%(47 flights)
  • Sun78%(51 flights)
On-time by departure window
  • 6–9 AM80%(341 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
79%
May

Jun 73% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202587%30
August 202593%30
September 202574%23
October 202586%29
November 202578%27
December 202587%31
January 202671%31
February 202682%27
March 202671%31
April 202680%25
May 202679%28
Departures on time
82%
Diverted
0%
Flights flown
342
Months covered
12

Same route, other flights

Keep nerding

Based on 345 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.