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Flight Reliability

AA 4787 · American Airlines

New York → Greenville (LGA–GSP)

29
Bring Snacks
WanderNerd Reliability Score
71%
Arrive within 15 minutes
11 min
Average arrival delay
12.5%
Cancelled
9 min early
Median arrival delay

Based on 312 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

AA 4787 arrived on time 82% of the time on Mondays and just 61% on Sundays. That gap is worth planning around.

A bit behind the LGA–GSP route.

AA 4787 arrived on time 71% of the time, versus 75% across the LGA–GSP route.

A bit behind the American Airlines network.

AA 4787 arrived on time 71% of the time, versus 77% across the American Airlines network.

Keep a backup plan handy.

AA 4787 was cancelled 12.5% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon82%(44 flights)
  • Tue74%(46 flights)
  • Wed76%(45 flights)
  • Thu63%(43 flights)
  • Fri75%(44 flights)
  • Sat—(5 flights)
  • Sun61%(46 flights)
On-time by departure window
  • 12–3 PM—(4 flights)
  • 3–6 PM—(4 flights)
  • 6–9 PM72%(263 flights)
  • 9 PM–12 AM—(2 flights)
On-time trend by month
72%
May

Jun 47% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202547%15
July 202569%16
August 202588%24
September 202584%25
October 202576%25
November 202561%23
December 202562%26
January 202692%24
February 202678%23
March 202648%21
April 202669%26
May 202672%25
Departures on time
74%
Diverted
0%
Flights flown
273
Months covered
12

Same route, other flights

Keep nerding

Based on 312 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.