St. Louis (STL) to New York (LGA): On-Time Performance
Data through May 2026
Delays are only half the story on STL–LGA: 3.1% of its scheduled flights were outright cancelled, well above the US norm, so a backup plan matters more here than on most routes. When flights do go, 79% land on time, no worse than the national average of 78%. Endeavor Air has been the safer pick, arriving on time 87% of the time.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 3.1%
- Flights/day
- 7.3
- last 12 months
- Duration
- 2h 25m
- scheduled
- Distance
- 888 mi
Best airline from STL to LGA
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Endeavor Airmost reliable | 87% | 11 min | 4.3% | 784 |
| Republic Airways | 82% | 15 min | 3.4% | 2,319 |
| Southwest Airlines | 75% | 16 min | 2.5% | 2,748 |
Monthly on-time trend
Best time to fly from STL to LGA
Aim for departures around 5 a.m. (98% on-time); avoid 8 p.m. departures (61%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 17 min |
| Tuesday | 82% | 12 min |
| Wednesdaybest | 83% | 12 min |
| Thursday | 77% | 16 min |
| Friday | 78% | 15 min |
| Saturday | 81% | 12 min |
| Sunday | 77% | 17 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft34%
- Airline operations26%
- National airspace system36%
- Weather4%
Frequently asked questions
- How often are flights from STL to LGA delayed?
- 21% of STL–LGA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 15 minutes.
- Which airline is most reliable from STL to LGA?
- Endeavor Air has the best on-time record on this route at 87%, based on 784 flights. 3 airlines flew STL–LGA frequently enough to compare in this period.
- What is the best time of day to fly from STL to LGA?
- Departures around 5 a.m. have the best record (98% on-time), while departures around 8 p.m. have the worst (61%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from STL to LGA?
- The scheduled STL–LGA flight time averages 2h 25m over 888 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are STL to LGA flights cancelled?
- 3.1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from STL to LGA?
- March 2026 was the roughest month in this dataset, with only 63% of arrivals on time. The best was September 2024 at 95%. If your dates are flexible, that 32-point gap is worth planning around.
Explore related pages
More routes from STL
Based on 5,891 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.