Route Reliability
Salt Lake City → Philadelphia
SLC–PHL · 1,927 miles · Salt Lake City International Airport to Philadelphia International Airport
- 84%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 2.4%
- Cancelled
- 840
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines90%216 flights
- 2.Delta Air Lines83%624 flights
What the data says
Morning-you made the right choice.
SLC–PHL flights departing between 6–9 AM arrived on time 97% of the time, versus 81% between 9 PM–12 AM.
Skip Thursday if you can.
SLC–PHL flights arrived on time 92% of the time on Saturdays. On Thursdays: 79%.
American Airlines runs this route best.
American Airlines arrived on time 90% of the time on this route; Delta Air Lines managed 83%.
Ticking up lately.
SLC–PHL flights arrived on time 87% of the time over the last three months in the data, compared with 83% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon81%(129 flights)
- Tue89%(104 flights)
- Wed88%(105 flights)
- Thu79%(126 flights)
- Fri85%(128 flights)
- Sat92%(100 flights)
- Sun80%(124 flights)
- 6–9 AM97%(104 flights)
- 9 AM–12 PM83%(383 flights)
- 3–6 PM89%(56 flights)
- 9 PM–12 AM81%(273 flights)
Jun 80% → May 93% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 81 |
| July 2025 | 80% | 84 |
| August 2025 | 89% | 83 |
| September 2025 | 90% | 49 |
| October 2025 | 83% | 48 |
| November 2025 | 75% | 44 |
| December 2025 | 84% | 61 |
| January 2026 | 81% | 48 |
| February 2026 | 86% | 62 |
| March 2026 | 81% | 88 |
| April 2026 | 89% | 87 |
| May 2026 | 93% | 81 |
Keep nerding
Based on 840 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.