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Flight Reliability

AA 5618 · American Airlines

Philadelphia → Greenville (PHL–GSP)88% of its flights flew this route. The rest (MCI–PHL) are included in these numbers.

55
A Little Dicey
WanderNerd Reliability Score
70%
Arrive within 15 minutes
19 min
Average arrival delay
4.2%
Cancelled
7 min early
Median arrival delay

Based on 360 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

AA 5618 departing between 3–6 PM arrived on time 77% of the time, versus 68% between 6–9 PM.

Sunday scaries are real for this one.

AA 5618 arrived on time 80% of the time on Fridays and just 56% on Sundays. That gap is worth planning around.

Lagging the PHL–GSP route.

AA 5618 arrived on time 70% of the time, versus 78% across the PHL–GSP route.

A bit behind the American Airlines network.

AA 5618 arrived on time 70% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon77%(48 flights)
  • Tue74%(50 flights)
  • Wed74%(49 flights)
  • Thu65%(49 flights)
  • Fri80%(50 flights)
  • Sat62%(50 flights)
  • Sun56%(48 flights)
On-time by departure window
  • 3–6 PM77%(74 flights)
  • 6–9 PM68%(270 flights)
On-time trend by month
73%
May

Jun 30% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202530%23
July 202545%29
August 202574%31
September 202577%30
October 202581%31
November 202568%28
December 202572%29
January 202679%28
February 202677%26
March 202666%29
April 202687%30
May 202673%30
Departures on time
71%
Diverted
0.3%
Flights flown
344
Months covered
12

Same route, other flights

Keep nerding

Based on 360 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.