OnTimeRoutes
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American Airlines SLC to PHL on-time performance

American Airlines nonstop flights from Salt Lake City to Philadelphia · Aug 2025 – Jul 2026

On-time arrivals
88%
arrived < 15 min late
Cancelled
5.0%
11 flights
Avg arrival delay
18 min
155 min when late
Rank on route
#1 of 2
route average 85% on time

Key facts

  • American Airlines flights on SLC to PHL arrived on time 88% of the time in Aug 2025 – Jul 2026.
  • 5% were cancelled, and 6% arrived an hour or more late.
  • That ranks #1 of 2 airlines on this route, which averaged 85% on time overall.
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (63%).

On-time trend by month

60%80%100%July 2025: 84.6% on time, 16.1% cancelledJul ’25August 2025: 100.0% on time, 6.7% cancelledAug ’25September 2025: 100.0% on time, 0.0% cancelledSep ’25December 2025: 100.0% on time, 7.7% cancelledDec ’25January 2026: 100.0% on time, 0.0% cancelledJan ’26February 2026: 86.7% on time, 11.8% cancelledFeb ’26March 2026: 80.0% on time, 3.2% cancelledMar ’26April 2026: 86.2% on time, 0.0% cancelledApr ’26May 2026: 96.8% on time, 0.0% cancelledMay ’26June 2026: 85.7% on time, 6.7% cancelledJun ’26July 2026: 75.0% on time, 9.7% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Airline (crew, maintenance, cleaning, fueling)63%
  • Late-arriving aircraft33%
  • Air traffic control & airport congestion3%
  • Extreme weather0%
  • Security0%

Other airlines on SLC to PHL

220 American Airlines flights tracked on this route; 11 cancelled, 1 diverted.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.