Skip to content
WanderNerd
Check a flight

Flight Reliability

AA 1874 · American Airlines

Philadelphia → Boston (PHL–BOS)

60
A Little Dicey
WanderNerd Reliability Score
71%
Arrive within 15 minutes
14 min
Average arrival delay
4.2%
Cancelled
4 min early
Median arrival delay

Based on 311 historical flights. Data through May 2026.

What the data says

Mondays have been rough.

AA 1874 arrived on time 84% of the time on Wednesdays and just 58% on Mondays. That gap is worth planning around.

A bit behind the PHL–BOS route.

AA 1874 arrived on time 71% of the time, versus 75% across the PHL–BOS route.

A bit behind the American Airlines network.

AA 1874 arrived on time 71% of the time, versus 77% across the American Airlines network.

Keep a backup plan handy.

AA 1874 was cancelled 4.2% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon58%(48 flights)
  • Tue73%(40 flights)
  • Wed84%(37 flights)
  • Thu74%(46 flights)
  • Fri73%(48 flights)
  • Sat68%(31 flights)
  • Sun71%(48 flights)
On-time by departure window
  • 6–9 PM—(3 flights)
  • 9 PM–12 AM71%(295 flights)
On-time trend by month
87%
May

Jun 69% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%29
July 202542%26
August 202557%21
September 202573%15
October 202576%25
November 202585%26
December 202569%26
January 202675%28
February 202678%23
March 202670%27
April 202672%29
May 202687%23
Departures on time
67%
Diverted
0%
Flights flown
298
Months covered
12

Same route, other flights

Keep nerding

Based on 311 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.