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Flights Newark → St. Louis

EWR → STL

15.8
Average risk (Medium)
90%
On-time
3 min
Average delay
3.5%
Cancellations
2
Airlines

Route overview

The flight route from Newark to St. Louis operates with an Embraer 170 aircraft and has a high on-time performance rate of 90%, with the average delay being just 3.1 minutes. Over the past year, there have been 258 flights on this route, serving the busy destination airport in St. Louis which handles over 13 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 Newark (EWR) → St. Louis (STL) 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 3 minutes. The cancellation rate is 3.54%. FlightGuard's average computed risk is 15.8/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At St. Louis the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Newark the average ATFM delay is 2.0 minutes.

Heading to St. Louis: what to expect in this direction

Flying from Newark (EWR) to St. Louis (STL) heads west for about 1,400 km, a flight time of roughly 2h 10m.

Departures from Newark on this leg cluster in the midday window: about 35% of EWR-STL flights take off then.

Air-traffic congestion: departing Newark the average ATFM delay is 2.0 min (atfm); arriving into St. Louis it is 2.0 min (atfm).

Across 339 tracked EWR-STL flights, 90% left on time with an average delay of 3 min and a 3.5% cancellation rate.

Route facts

Time difference
1h behind
Arrival (dest. local time)
09:10
Elevation STL
618 ft
Typical aircraft
Embraer 170
Est. CO₂/passenger
~140 kg

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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%

Frequently asked questions about EWR-STL

On the Newark (EWR) -> St. Louis (STL) route, on-time performance is 90% with an average delay of 3 minutes, based on 339 tracked flights.

The cancellation rate on Newark-St. Louis is 3.54% 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 St. Louis, 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.