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Flight Reliability

AA 2637 · American Airlines

Phoenix → Santa Ana (PHX–SNA)

89
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
8 min
Average arrival delay
0.4%
Cancelled
3 min early
Median arrival delay

Based on 274 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

AA 2637 arrived on time 91% of the time on Tuesdays and just 69% on Sundays. That gap is worth planning around.

A bit ahead of the American Airlines network.

AA 2637 arrived on time 82% of the time, versus 77% across the American Airlines network.

Ticking up lately.

AA 2637 arrived on time 89% of the time over the last three months in the data, compared with 83% in the three months before that.

The breakdown

On-time by weekday
  • Mon83%(47 flights)
  • Tue91%(23 flights)
  • Wed87%(30 flights)
  • Thu84%(50 flights)
  • Fri83%(42 flights)
  • Sat90%(29 flights)
  • Sun69%(52 flights)
On-time by departure window
  • 3–6 PM—(5 flights)
  • 6–9 PM82%(187 flights)
  • 9 PM–12 AM83%(81 flights)
On-time trend by month
85%
May

Jun 83% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202580%30
August 202571%17
September 202569%29
October 202590%19
November 202580%15
December 202579%19
January 202681%16
February 202688%16
March 202693%29
April 202689%26
May 202685%27
Departures on time
80%
Diverted
0%
Flights flown
273
Months covered
12

Same route, other flights

Keep nerding

Based on 274 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.