Route reliability record
AUS→EWR
Austin to Newark
- Flights
- 2,054
- Period
- September 2025 to August 2026
- Distance
- 1,504 mi
- Carriers
- 3
This route carries a cancellation problem, not just a delay problem: 3.4% of scheduled flights never operate, against 1.9% nationally. Of the ones that do fly, close to three flights in four arrive on time, worth a B− overall. The punctuality figure counts only flights that actually departed, so it flatters an operation that cancels this often. That rests on 2,054 AUS to EWR flights, with a median arrival 5 minutes early.
Best time to fly AUS to EWR: a 5am–8am departure, ideally on a Wednesday. Flights in that window arrived on time 90.8% of the time and Wednesday flights 82.4%, against 77.1% for the route overall.
The US average over the same twelve months is 77.3%, so there is little to separate this route from the country as a whole. The variation that matters here is internal: which carrier, and what time of day.
Key figures
On time
77.1%
Arrivals under 15 minutes late, of 1,975 completed flights
Avg delay
95 min
Across delayed arrivals only, not all flights
Cancelled
3.36%
National rate is 1.89%
Best carrier
United
80.4% on time across 1,734 flights
These figures cover 2,054 flights between September 2025 and August 2026. Beyond the headline rate, 11.0% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
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Carrier by carrier
Which airline is most reliable on AUS to EWR
Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| United Airlines | 1,734 | 80.4% | 95 min | 2.71% | B |
| Republic Airwaysthin sample | 23 | 73.9% | 263 min | 0.00% | C+ |
| Spirit Airlinesthin sample | 297 | 56.7% | 87 min | 7.41% | D− |
Flight by flight
Flights on AUS to EWR
The flight numbers below flew this route at least 250 times in the period, busiest first. Each has its own record, with its schedule and delay causes.
Timetable by Aviasales, a Travelpayouts partner. Booking through it may earn this site a commission at no cost to you; it changes no figure here.
Best ways to make this trip
The most reliable ways to fly Austin to Newark
Every airline on this route and on the routes between nearby airports, ranked by how often a scheduled flight actually operated and arrived on time. 2 of the top 3 use a different airport at one end.
| Option | Airline | Success | On time | Cancelled | Best departure | Most punctual flight |
|---|---|---|---|---|---|---|
| 1. AUS → JFKAustin to New York | Delta Air Lines | 79.9% | 82.5% | 3.12% | 5am–8am, Fri | DL 1411 07:20 |
| 2. AUS → EWRAustin to Newark | United Airlines | 78.2% | 80.4% | 2.71% | 5am–8am, Tue | UA 1760 06:00 |
| 3. AUS → JFKAustin to New York | American Airlines | 72.7% | 75.6% | 3.81% | 5am–8am, Wed | — |
Success is the share of scheduled flights that operated and arrived less than 15 minutes late, so a cancelled flight counts against it. “(route)” means the best time comes from every carrier on the route rather than this airline alone.
Departure window
The best time of day to leave
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 30 points, against half a point between the best and worst carrier.
- 5am–8am550 flights90.8%
- 8am–11am390 flights89.2%
- 11am–2pm332 flights66.7%
- 2pm–5pm413 flights60.6%
- 5pm–8pm369 flights71.6%
- 8pm–5am—
Scale runs 50% to 95%. Rows with fewer than 30 flights show a dash.
Book the early departure. Flights leaving between 5am–8am arrive on time 90.8% of the time, against 60.6% for the afternoon window. That is 30 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 5am–8am window is the busiest, with 550 flights scheduled in it.
Explore
Filter AUS to EWR by airline, time, month and day
Pick a breakdown and a carrier. The dashed mark on each row is the same slice for every US flight.
On AUS to EWR, the best departure window is 5am–8am at 90.8% on time and the worst is 2pm–5pm at 60.6%, a wide gap of 30.2 points. All US flights leaving 5am–8am ran 89.3%.
- 5–8am90.8%
- 8–11am89.2%
- 11am–2pm66.7%
- 2–5pm60.6%
- 5–8pm71.6%
- 8pm–5am—
best all US flightsScale 50% to 95%. Cells under 30 flights show a dash.
Across the year
When delays peak on this route
This route's year swings by 24 points from best month to worst, which is wide. An annual average tells you very little about the week you are actually flying, so read the strip rather than the headline if your dates are fixed.
December is the weak month at 64.0% on time, against 87.5% in May. Winter delays cluster: a single storm system can account for most of a month's shortfall, so an average December hides both very good weeks and genuinely unflyable days. December was the busiest month here, with 217 flights.
Across the week, Wednesday is the strongest day at 82.4% on time and Sunday the weakest at 68.2%, a spread of 14 points.
Delay causes
Why this route gets delayed
National Airspace System accounts for 46% of the 43,000 delay minutes carriers reported here, and the remaining four split what is left.
- 46%National Airspace System
- 31%Carrier
- 23%Late-arriving aircraft
- 0%Extreme weather
- 0%Security
46% of delay minutes are charged to the National Airspace System: air traffic volume, runway configuration, ground stops. No carrier can price its way out of that, which is why airport choice moves the number here more than carrier choice does. That is 20,000 minutes out of 43,000, against a national NAS share of 21%. The split is drawn from 43,000 reported delay minutes.
Cancellations run at 3.36%, against 1.89% nationally. That is about one flight in 30 cancelled outright. A cancelled flight is invisible in every on-time figure on this page, so the punctuality numbers above describe only the flights that actually operated.
Connections and stage length
What a delay here actually costs
11.0% of arrivals land a full hour or more behind schedule, against 8.3% nationally. Ninety minutes is the honest minimum for a connection here, and two hours if the onward flight is on a separate ticket.
At 1,504 miles this is transcontinental flying, and long routes get a quiet structural advantage. Scheduled block time on a flight this length carries more padding in absolute minutes, so a twenty-minute late departure often still becomes an on-time arrival. Read the on-time rate here as slightly flattering next to a short-haul route with the same operational quality.
The return leg runs 78.4% on time across 2,056 flights, within about a point of this direction. The two legs are scored separately because they usually differ; on this city pair they happen not to.
The sample behind these figures is 2,054 flights, enough that the headline rate is stable to within roughly a point. The hour-block and month splits divide that further, so read the thinner bars with more caution than the headline.
Work out the risk of missing a connection in EWR after this flight
What to do with this
Booking this route
Put together: the delay figures matter less here than the 3.36% cancellation rate. A late arrival costs you an hour and a half; a cancelled flight costs you the day. Book the 5am–8am departure so there is still a schedule behind you if it goes wrong, and treat a same-day connection as optimistic. 1,975 completed flights over 12 months sit behind that.
Common questions
AUS to EWR questions
How often is AUS to EWR delayed?
Roughly one flight in four arrives at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 22.9% of the 2,054 flights in this analysis, against 22.7% nationally. Delayed flights are late by an hour and a half on average.
How reliable is AUS to EWR compared with the rest of the country?
77.1% of flights arrive on time here against a national 77.3%, a difference of half a point against it. That is worth a B− on this site's grading scale.
What time of day has the fewest delays on AUS to EWR?
The 5am–8am departure window is the strongest at 90.8% on time. The 2pm–5pm window is the weakest at 60.6%, 30 points behind. Later departures inherit delays from earlier flights the same aircraft has already flown, which is why the curve slopes the way it does.
How bad are December delays on AUS to EWR?
December is the weakest month at 64.0% on time, compared with 87.5% in May. Across the year that is 24 points between the best and worst months. Moving flexible dates out of that month is one of the few things that reliably helps.
Related
Where to go next
- EWR to AUS — the return legseparate record
- Austin-Bergstrom International (AUS) delay statistics
- Newark Liberty International (EWR) delay statistics
- United Airlines on AUS to EWR80.4%
- Spirit Airlines on AUS to EWR56.7%
- AUS to DEN, a related route78.9%
- MCO to EWR, a related route75.0%
- AUS to DFW, a related route74.9%
- United Airlines on-time record80.4%
- Republic Airways on-time record73.9%
- Spirit Airlines on-time record56.7%
- The US routes with the most cancellations
- The best time of day to fly, according to 7.05 million flight records
Direction matters. AUS to EWR and EWR to AUS are scored separately because they are separate operations, with different departure banks and different aircraft. Compare the return leg.
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Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.