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Route · DEN → LGA · 2020–2025 BTS data

Denver to New York

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DEN to LGA (Denver to New York) ranks #227 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

75.6%
On-time
-3.4 pts
vs US avg
70 min
Delay when late
24,370
Flights
#227 of 4927
Corpus placement

Cancelled

1.4%

Best Month

Sep 2024 88%

Worst Month

Jul 2025 62%

Distance

1,620 mi

Carriers

27

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 391 106 18 2 DL,WN,F9,UA
Nov 2025 363 112 11 1 UA,F9,DL,WN
Oct 2025 400 115 8 2 DL,UA,WN,F9
Sep 2025 399 95 0 5 UA,WN,DL,F9
Aug 2025 404 108 4 4 WN,F9,UA,DL
Jul 2025 409 157 21 6 DL,UA,WN,F9
Jun 2025 395 145 9 9 DL,UA,WN,F9
May 2025 375 128 2 2 DL,UA,WN,F9
Apr 2025 361 71 0 2 DL,UA,WN
Mar 2025 369 99 0 5 DL,UA,WN
Feb 2025 336 74 1 2 DL,UA,WN
Jan 2025 372 83 2 1 DL,UA,WN,F9
Dec 2024 378 83 1 0 DL,F9,UA,WN
Nov 2024 382 70 0 0 UA,WN,DL,F9
Oct 2024 406 62 0 1 UA,WN,DL,F9
Sep 2024 399 48 1 2 WN,UA,DL,F9
Aug 2024 408 99 16 22 DL,F9,WN,UA
Jul 2024 404 130 9 8 DL,F9,UA,WN
Jun 2024 385 106 4 9 DL,F9,UA,WN
May 2024 383 103 5 1 DL,F9,UA,WN
Apr 2024 357 59 1 4 DL,UA,WN
Mar 2024 372 74 2 1 B6,DL,UA,WN
Feb 2024 352 83 4 1 B6,DL,UA,WN
Jan 2024 379 105 6 2 B6,DL,WN,UA

DEN–LGA seasonal on-time pattern

Best: October (80.1%) · weakest: July (67.6%)

65%70%75%80%85% JanFebMarAprMayJunJulAugSepOctNovDec 75.7%

Strongest calendar month

October

80.1% on-time · ~353 flights/mo

Busiest calendar month

May

~367 flights/mo avg

Weakest calendar month

July

67.6% on-time · ~341 flights/mo

Cancellation Rate

1.4%

125 of 9,179 flights

Diversion Rate

1.0%

92 of 9,179 flights

Explore origin & destination

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

DEN - Denver

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

DEN on-time profile

LGA - New York

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

LGA on-time profile

Compare the two airports

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

Compare DEN vs LGA

Origin-hub reliability standing

Mid-pack among DEN departures

From DEN, this corridor sits with 133 other 75–85% on-time routes out of 168 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 27 below 75%). Destination: New York · fleet on-time rank #4371 of 4927.

What the Data Says About DEN to LGA

The Denver to New York corridor (DEN to LGA) posts a 75.6% on-time rate on the lower edge of the average band, based on 24,370 tracked flights. Late flights run 70.3 minutes behind on average. 27 carriers cover the 1,620-mile route; over the last 24 months, 125 of 9,179 flights were cancelled (1.4%) and 1.0% diverted.

The monthly split is wide on this route: Sep 2024 posted the strongest performance at 88% on-time, while Jul 2025 came in at just 62% - a 26-point swing worth factoring into travel timing.

On the multi-year calendar, DEN–LGA peaks in October at 80.1% on-time while May carries the heaviest traffic (~367 flights per month) ; the softest month is July at 67.6%, a 12.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does DEN to LGA rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, DEN to LGA ranks #227 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 DEN to LGA? ▼
Flights from Denver to New York have a 75.6% on-time rate based on 24,370 flights. The average delay is 70.3 minutes. The best recent month was Sep 2024 with 88% on-time.
What is the cancellation rate for DEN to LGA? ▼
Over the last 24 months, 1.4% of flights on this route were cancelled (125 of 9,179 flights) and 1.0% were diverted.
How far is the flight from DEN to LGA? ▼
The flight distance from Denver (DEN) to New York (LGA) is approximately 1,620 miles. This route is served by 27 carriers.
When is the best time to fly from DEN to LGA? ▼
The best recent month for on-time performance was Sep 2024 (88% on-time). The worst was Jul 2025 (62% on-time). Consider booking during months with historically better performance.

Airports on this route

DEN Airport

Denver
LGA Airport

New York
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 DEN–LGA data

DEN–LGA is mid-pack at 75.6% on-time; month and carrier mix move more than the corridor headline.

  • Compare DEN and LGA airport profiles: delay causes and top routes differ even on the same corridor. DEN airport
  • If your dates flex, October (80.1% on-time) beats July (67.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 75.6% 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.