Route Reliability
Denver → New York
DEN–LGA · 1,620 miles · Denver International Airport to LaGuardia Airport
- 72%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 2.8%
- Cancelled
- 4,673
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines79%1,038 flights
- 2.United Airlines74%2,013 flights
- 3.Southwest Airlines65%1,441 flights
- 4.Frontier Airlines61%181 flights
What the data says
Morning flights do better here.
DEN–LGA flights departing between 6–9 AM arrived on time 89% of the time, versus 61% between 3–6 PM.
Sunday scaries are real for this one.
DEN–LGA flights arrived on time 82% of the time on Saturdays and just 66% on Sundays. That gap is worth planning around.
Delta Air Lines has a clear lead on this route.
Delta Air Lines arrived on time 79% of the time on this route; Frontier Airlines managed 61%.
Slipping a little lately.
DEN–LGA flights arrived on time 73% of the time over the last three months in the data, compared with 79% 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
- Mon69%(683 flights)
- Tue72%(693 flights)
- Wed76%(688 flights)
- Thu68%(681 flights)
- Fri74%(647 flights)
- Sat82%(437 flights)
- Sun66%(672 flights)
- 3–6 AM—(8 flights)
- 6–9 AM89%(1018 flights)
- 9 AM–12 PM73%(1362 flights)
- 12–3 PM67%(659 flights)
- 3–6 PM61%(1454 flights)
Jun 62% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 62% | 377 |
| July 2025 | 59% | 382 |
| August 2025 | 73% | 396 |
| September 2025 | 77% | 394 |
| October 2025 | 71% | 390 |
| November 2025 | 68% | 351 |
| December 2025 | 72% | 371 |
| January 2026 | 83% | 367 |
| February 2026 | 82% | 314 |
| March 2026 | 60% | 378 |
| April 2026 | 81% | 392 |
| May 2026 | 77% | 389 |
Same trip, other airports
Keep nerding
Based on 4,673 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.