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Flight Reliability

AA 4477 · American Airlines

Detroit → New York (DTW–LGA)97% of its flights flew this route. The rest (PWM–ORD) are included in these numbers.

78
Usually Fine
WanderNerd Reliability Score
88%
Arrive within 15 minutes
3 min
Average arrival delay
4.2%
Cancelled
8 min early
Median arrival delay

Based on 334 historical flights. Data through May 2026.

What the data says

Friday is doing you no favors.

AA 4477 arrived on time 94% of the time on Mondays and just 75% on Fridays. That gap is worth planning around.

Better than the DTW–LGA route average.

AA 4477 arrived on time 88% of the time, versus 76% across the DTW–LGA route.

Better than the American Airlines network average.

AA 4477 arrived on time 88% of the time, versus 77% across the American Airlines network.

Keep a backup plan handy.

AA 4477 was cancelled 4.2% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon94%(46 flights)
  • Tue89%(47 flights)
  • Wed87%(47 flights)
  • Thu90%(50 flights)
  • Fri75%(47 flights)
  • Sat90%(50 flights)
  • Sun88%(32 flights)
On-time by departure window
  • 3–6 AM86%(21 flights)
  • 6–9 AM88%(289 flights)
  • 12–3 PM—(9 flights)
On-time trend by month
97%
May

Jun 96% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202596%24
July 202580%25
August 202589%26
September 202597%29
October 202589%28
November 202589%27
December 202568%22
January 202678%23
February 202685%26
March 202686%28
April 202690%30
May 202697%31
Departures on time
93%
Diverted
0.3%
Flights flown
319
Months covered
12

Same route, other flights

Keep nerding

Based on 334 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.