Route Reliability
Atlanta → New York
ATL–LGA · 762 miles · Hartsfield–Jackson Atlanta International Airport to LaGuardia Airport
- 73%
- Arrive within 15 minutes
- 15 min
- Average arrival delay
- 3.5%
- Cancelled
- 8,278
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines77%1,419 flights
- 2.Delta Air Lines76%4,937 flights
- 3.Southwest Airlines70%1,051 flights
- 4.Frontier Airlines55%858 flights
Not enough history to rank: Spirit Airlines (13 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning flights do better here.
ATL–LGA flights departing between 6–9 AM arrived on time 90% of the time, versus 58% between 6–9 PM.
Sunday scaries are real for this one.
ATL–LGA flights arrived on time 78% of the time on Wednesdays. On Sundays: 67%.
American Airlines has a clear lead on this route.
American Airlines arrived on time 77% of the time on this route; Frontier Airlines managed 55%.
Keep a backup plan handy.
This route was cancelled 3.5% 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
- Mon71%(1181 flights)
- Tue73%(1230 flights)
- Wed78%(1234 flights)
- Thu73%(1202 flights)
- Fri75%(1218 flights)
- Sat77%(786 flights)
- Sun67%(1097 flights)
- 6–9 AM90%(1514 flights)
- 9 AM–12 PM84%(1643 flights)
- 12–3 PM71%(1564 flights)
- 3–6 PM66%(1098 flights)
- 6–9 PM58%(1633 flights)
- 9 PM–12 AM62%(496 flights)
Jun 61% → May 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 61% | 576 |
| July 2025 | 63% | 579 |
| August 2025 | 79% | 598 |
| September 2025 | 88% | 742 |
| October 2025 | 72% | 783 |
| November 2025 | 69% | 737 |
| December 2025 | 66% | 702 |
| January 2026 | 85% | 693 |
| February 2026 | 80% | 621 |
| March 2026 | 65% | 622 |
| April 2026 | 77% | 634 |
| May 2026 | 73% | 661 |
Same trip, other airports
Keep nerding
Based on 8,278 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.