PlainFlights

Route · LGA → DEN · 2020–2025 BTS data

New York to Denver

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LGA to DEN (New York to Denver) ranks #228 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

80.6%
On-time
+1.6 pts
vs US avg
78 min
Delay when late
24,360
Flights
#228 of 4927
Corpus placement

Cancelled

1.5%

Best Month

Oct 2024 90%

Worst Month

Jun 2025 63%

Distance

1,620 mi

Carriers

25

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 391 142 17 2 DL,WN,F9,UA
Nov 2025 362 111 9 0 UA,F9,DL,WN
Oct 2025 401 122 8 2 UA,WN,DL,F9
Sep 2025 399 90 1 2 UA,WN,DL,F9
Aug 2025 404 98 4 4 WN,F9,UA,DL
Jul 2025 409 145 24 13 UA,WN,DL,F9
Jun 2025 394 145 13 4 UA,WN,DL,F9
May 2025 376 101 3 4 UA,WN,DL,F9
Apr 2025 361 101 0 2 DL,UA,WN
Mar 2025 368 52 1 1 UA,WN,DL
Feb 2025 336 107 2 0 UA,WN,DL
Jan 2025 372 66 2 0 UA,WN,DL,F9
Dec 2024 378 71 2 1 DL,F9,UA,WN
Nov 2024 383 56 0 0 UA,WN,DL,F9
Oct 2024 406 40 0 0 UA,WN,DL,F9
Sep 2024 398 44 1 1 WN,UA,DL,F9
Aug 2024 408 101 21 9 DL,F9,WN,UA
Jul 2024 404 114 11 7 DL,F9,UA,WN
Jun 2024 384 91 4 4 DL,F9,UA,WN
May 2024 384 108 6 5 DL,F9,UA,WN
Apr 2024 358 61 2 1 DL,UA,WN
Mar 2024 373 42 2 1 B6,DL,UA,WN
Feb 2024 352 52 4 3 B6,DL,UA,WN
Jan 2024 378 65 4 1 B6,DL,WN,UA

LGA–DEN seasonal on-time pattern

Best: September (86.2%) · weakest: July (71.8%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 75.7%

Strongest calendar month

September

86.2% on-time · ~341 flights/mo

Busiest calendar month

May

~367 flights/mo avg

Weakest calendar month

July

71.8% on-time · ~342 flights/mo

Cancellation Rate

1.5%

141 of 9,179 flights

Diversion Rate

0.7%

67 of 9,179 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

LGA - New York

Full on-time, delay-cause, and seasonal performance for New York, NY.

LGA on-time profile

DEN - Denver

Full on-time, delay-cause, and seasonal performance for Denver, CO.

DEN on-time profile

Compare the two airports

See LGA and DEN side by side on delays, cancellations, and reliability.

Compare LGA vs DEN

Origin-hub reliability standing

Mid-pack among LGA departures

From LGA, this corridor sits with 64 other 75–85% on-time routes out of 75 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 3 below 75%). Destination: Denver · fleet on-time rank #2890 of 4927.

What the Data Says About LGA to DEN

24,360 tracked flights put the LGA to DEN pairing (New York to Denver) at a 80.6% on-time rate, squarely in line with the wider network. Delays that do occur run 78.1 minutes on average. Across the 1,620-mile route and its 25 carriers, the trailing 24 months show 1.5% cancelled and 0.7% diverted (9,179 flights sampled).

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 90% on-time, while Jun 2025 came in at just 63% - a 27-point swing worth factoring into travel timing.

On the multi-year calendar, LGA–DEN peaks in September at 86.2% on-time while May carries the heaviest traffic (~367 flights per month) ; the softest month is July at 71.8%, a 14.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does LGA to DEN rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, LGA to DEN ranks #228 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from LGA to DEN? ▼
Flights from New York to Denver have a 80.6% on-time rate based on 24,360 flights. The average delay is 78.1 minutes. The best recent month was Oct 2024 with 90% on-time.
What is the cancellation rate for LGA to DEN? ▼
Over the last 24 months, 1.5% of flights on this route were cancelled (141 of 9,179 flights) and 0.7% were diverted.
How far is the flight from LGA to DEN? ▼
The flight distance from New York (LGA) to Denver (DEN) is approximately 1,620 miles. This route is served by 25 carriers.
When is the best time to fly from LGA to DEN? ▼
The best recent month for on-time performance was Oct 2024 (90% on-time). The worst was Jun 2025 (63% on-time). Consider booking during months with historically better performance.

Airports on this route

LGA Airport

New York
DEN Airport

Denver
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using LGA–DEN data

LGA–DEN is mid-pack at 80.6% on-time; month and carrier mix move more than the corridor headline.

  • Compare LGA and DEN airport profiles: delay causes and top routes differ even on the same corridor. LGA airport
  • If your dates flex, September (86.2% on-time) beats July (71.8%) on this corridor. Seasonal chart
  • 4 other routes post a similar 80.6% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.