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Route · LGA → STL · 2020–2025 BTS data

New York to St. Louis

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LGA to STL (New York to St. Louis) ranks #395 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

83.4%
On-time
+4.4 pts
vs US avg
75 min
Delay when late
18,657
Flights
#395 of 4927
Corpus placement

Cancelled

2.9%

Best Month

Sep 2024 95%

Worst Month

Dec 2025 65%

Distance

888 mi

Carriers

20

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 229 81 9 0 YX,WN
Nov 2025 189 58 3 0 WN,YX
Oct 2025 199 62 5 0 WN,YX
Sep 2025 204 34 2 0 WN,OO,YX
Aug 2025 240 35 3 2 OO,WN,YX
Jul 2025 225 74 18 0 WN,YX
Jun 2025 219 63 15 0 WN,YX
May 2025 221 54 7 0 WN,YX
Apr 2025 225 55 0 0 WN,YX
Mar 2025 218 28 0 0 WN,YX
Feb 2025 201 35 3 0 WN,YX
Jan 2025 220 33 12 1 WN,YX
Dec 2024 308 52 2 1 9E,WN,YX
Nov 2024 313 25 0 0 9E,YX,WN
Oct 2024 313 27 0 0 WN,YX,9E
Sep 2024 300 14 0 0 WN,YX,9E
Aug 2024 307 61 28 0 WN,YX,9E
Jul 2024 313 81 20 5 9E,WN,YX
Jun 2024 292 57 9 0 9E,AA,OO,WN,YX
May 2024 332 60 4 4 9E,AA,OO,WN,YX
Apr 2024 317 39 3 4 9E,AA,OO,WN,YX
Mar 2024 317 40 2 0 9E,AA,YX,WN
Feb 2024 308 30 13 0 9E,AA,WN,YX
Jan 2024 312 57 23 0 9E,AA,WN,YX

LGA–STL seasonal on-time pattern

Best: January (86.8%) · weakest: June (77.4%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 81.9%

Strongest calendar month

January

86.8% on-time · ~274 flights/mo

Busiest calendar month

March

~284 flights/mo avg

Weakest calendar month

June

77.4% on-time · ~240 flights/mo

Cancellation Rate

2.9%

181 of 6,322 flights

Diversion Rate

0.3%

17 of 6,322 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

STL - St. Louis

Full on-time, delay-cause, and seasonal performance for St. Louis, MO.

STL on-time profile

Compare the two airports

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

Compare LGA vs STL

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: St. Louis · fleet on-time rank #1800 of 4927.

What the Data Says About LGA to STL

Bureau of Transportation Statistics records show New York to St. Louis (LGA to STL) running a 83.4% on-time rate over 18,657 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 74.5 minutes. The 888-mile corridor is served by 20 carriers, and over the last 24 months 2.9% of 6,322 flights were cancelled, 0.3% diverted.

The monthly split is wide on this route: Sep 2024 posted the strongest performance at 95% on-time, while Dec 2025 came in at just 65% - a 31-point swing worth factoring into travel timing.

On the multi-year calendar, LGA–STL peaks in January at 86.8% on-time while March carries the heaviest traffic (~284 flights per month) ; the softest month is June at 77.4%, a 9.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does LGA to STL rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, LGA to STL ranks #395 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 STL? ▼
Flights from New York to St. Louis have a 83.4% on-time rate based on 18,657 flights. The average delay is 74.5 minutes. The best recent month was Sep 2024 with 95% on-time.
What is the cancellation rate for LGA to STL? ▼
Over the last 24 months, 2.9% of flights on this route were cancelled (181 of 6,322 flights) and 0.3% were diverted.
How far is the flight from LGA to STL? ▼
The flight distance from New York (LGA) to St. Louis (STL) is approximately 888 miles. This route is served by 20 carriers.
When is the best time to fly from LGA to STL? ▼
The best recent month for on-time performance was Sep 2024 (95% on-time). The worst was Dec 2025 (65% on-time). Consider booking during months with historically better performance.

Airports on this route

LGA Airport

New York
STL Airport

St. Louis
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–STL data

LGA–STL runs 4.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare LGA and STL airport profiles: delay causes and top routes differ even on the same corridor. LGA airport
  • If your dates flex, January (86.8% on-time) beats June (77.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 83.4% 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.