Route
DEN → LGA
Denver International Airport LaGuardia Airport
How punctual is this route?
- On-time arrivals
- 71.3%
- Less than 15 minutes late
- Cancelled
- 2.9%
- Of scheduled flights
- Average delay when late
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4,664
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 46%
- Airline (crew, maintenance, cleaning) 27%
- Late-arriving aircraft 25%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 75.9% | 399 |
| October 2025 | 70.5% | 400 |
| November 2025 | 68.1% | 363 |
| December 2025 | 71.4% | 391 |
| January 2026 | 82.0% | 381 |
| February 2026 | 81.5% | 338 |
| March 2026 | 60.1% | 402 |
| April 2026 | 80.6% | 394 |
| May 2026 | 76.3% | 397 |
| June 2026 | 61.3% | 394 |
| July 2026 | 62.8% | 404 |
| August 2026 | 65.3% | 401 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 2,021 | 73.5% | 1.8% | 77 min |
| Southwest Airlines | 1,517 | 63.0% | 3.1% | 63 min |
| Delta Air Lines | 1,033 | 79.7% | 4.8% | 87 min |
| Frontier Airlines | 93 | 65.6% | 3.2% | 94 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL751
19% late · 363 flights
-
UA1579
32% late · 361 flights
-
UA2446
17% late · 344 flights
-
UA1442
11% late · 297 flights
-
DL716
31% late · 294 flights
-
UA2168
34% late · 286 flights
-
UA598
32% late · 258 flights
-
DL398
13% late · 250 flights
-
UA2033
44% late · 139 flights
-
F93162
34% late · 93 flights
-
UA1333
29% late · 83 flights
-
WN2504
14% late · 64 flights
-
DL940
14% late · 62 flights
-
WN4480
76% late · 61 flights
-
WN4886
8% late · 61 flights
-
WN103
40% late · 58 flights
-
WN1500
24% late · 58 flights
-
WN2097
43% late · 58 flights
-
WN4699
19% late · 55 flights
-
WN378
12% late · 53 flights
-
WN2813
49% late · 52 flights
-
WN4441
55% late · 52 flights
-
WN1147
45% late · 50 flights
-
WN4532
4% late · 50 flights
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