Flights St. Louis → Newark
STL → EWR
Route overview
This flight route operates between St. Louis and Newark, utilizing Embraer 170 aircraft. With a high on-time performance rate of 90%, the average delay is only 4.3 minutes, making it reliable for travelers. The destination airport, which opened in 2001, serves over 43 million passengers annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The St. Louis (STL) → Newark (EWR) route is operated by United Airlines, Southwest Airlines. Across 339 flights monitored in recent months, 90% arrived on time (within 15 min of schedule), with an average delay of 6 minutes. The cancellation rate is 4.13%. FlightGuard's average computed risk is 16.8/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Newark the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from St. Louis the average ATFM delay is 2.0 minutes.
Heading to Newark: what to expect in this direction
Flying from St. Louis (STL) to Newark (EWR) heads east for about 1,400 km, a flight time of roughly 2h 10m.
Departures from St. Louis on this leg cluster in the overnight window: about 35% of STL-EWR flights take off then.
Air-traffic congestion: departing St. Louis the average ATFM delay is 2.0 min (atfm); arriving into Newark it is 2.0 min (atfm).
Across 339 tracked STL-EWR flights, 90% left on time with an average delay of 6 min and a 4.1% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 74% | 10 min | 6.9% |
| Southwest Airlines (WN) | 73% | 6 min | 3.1% |
Airlines operating STL-EWR
Airports
Frequently asked questions about STL-EWR
On the St. Louis (STL) -> Newark (EWR) route, on-time performance is 90% with an average delay of 6 minutes, based on 339 tracked flights.
The cancellation rate on St. Louis-Newark is 4.13% across 339 monitored flights.
The route is operated by 2 airlines: United Airlines, Southwest Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Newark, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
