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Flight Reliability

AA 4048 · American Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AA 4048 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

74%
Arrive within 15 minutes
15 min
Average arrival delay
2.1%
Cancelled
2 min early
Median arrival delay

Based on 436 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(65 flights)
  • Tue67%(66 flights)
  • Wed84%(64 flights)
  • Thu71%(63 flights)
  • Fri71%(61 flights)
  • Sat79%(43 flights)
  • Sun70%(64 flights)
On-time by departure window
  • 6–9 AM—(9 flights)
  • 9 AM–12 PM87%(135 flights)
  • 12–3 PM64%(212 flights)
  • 3–6 PM—(6 flights)
  • 6–9 PM73%(64 flights)
On-time trend by month
86%
May

Jun 71% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%51
July 202584%61
August 202557%14
October 202575%48
November 202582%45
December 202579%42
January 202652%25
February 202626%23
March 202656%27
April 202687%47
May 202686%43
Departures on time
78%
Diverted
0.2%
Flights flown
426
Months covered
11

Keep nerding

Based on 436 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.