Route Reliability
Atlanta → Philadelphia
ATL–PHL · 666 miles · Hartsfield–Jackson Atlanta International Airport to Philadelphia International Airport
- 74%
- Arrive within 15 minutes
- 14 min
- Average arrival delay
- 3.0%
- Cancelled
- 5,683
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines79%1,553 flights
- 2.Delta Air Lines75%3,040 flights
- 3.Frontier Airlines61%976 flights
- 4.Spirit Airlines57%114 flights
What the data says
Morning flights do better here.
ATL–PHL flights departing between 6–9 AM arrived on time 88% of the time, versus 61% between 3–6 PM.
Sunday scaries are real for this one.
ATL–PHL flights arrived on time 79% of the time on Wednesdays. On Sundays: 67%.
American Airlines has a clear lead on this route.
American Airlines arrived on time 79% of the time on this route; Spirit Airlines managed 57%.
Keep a backup plan handy.
This route was cancelled 3.0% of the time. Typical for U.S. flights is around 1–2%.
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
- Mon68%(845 flights)
- Tue77%(747 flights)
- Wed79%(749 flights)
- Thu73%(850 flights)
- Fri76%(841 flights)
- Sat78%(646 flights)
- Sun67%(830 flights)
- 3–6 AM79%(19 flights)
- 6–9 AM88%(942 flights)
- 9 AM–12 PM82%(1146 flights)
- 12–3 PM81%(758 flights)
- 3–6 PM61%(1123 flights)
- 6–9 PM64%(883 flights)
- 9 PM–12 AM63%(637 flights)
Jun 57% → May 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 57% | 496 |
| July 2025 | 59% | 508 |
| August 2025 | 76% | 494 |
| September 2025 | 85% | 433 |
| October 2025 | 78% | 473 |
| November 2025 | 78% | 446 |
| December 2025 | 68% | 443 |
| January 2026 | 78% | 397 |
| February 2026 | 76% | 382 |
| March 2026 | 72% | 437 |
| April 2026 | 80% | 484 |
| May 2026 | 79% | 515 |
Keep nerding
Based on 5,683 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.