Route reliability record
EWR→DFW
Newark to Dallas-Fort Worth
- Flights
- 3,571
- Period
- July 2025 to June 2026
- Distance
- 1,372 mi
- Carriers
- 5
This route carries a cancellation problem, not just a delay problem: 3.4% of scheduled flights never operate, against 1.8% nationally. Of the ones that do fly, about four flights in five 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 3,571 flights, of which United Airlines flew 1,758 at 80.6% on time.
The US average over the same twelve months is 77.6%, 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
79.2%
Arrivals under 15 minutes late, of 3,426 completed flights
Avg delay
85 min
Across delayed arrivals only, not all flights
Cancelled
3.36%
National rate is 1.81%
Best carrier
United
80.6% on time across 1,758 flights
These figures cover 3,571 flights between July 2025 and June 2026. Beyond the headline rate, 9.0% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.
Carrier by carrier
Which airline is most reliable on EWR to DFW
The two carriers here are closely matched: half a point separate the best from the worst. At that spread, schedule and price are better tie-breakers than reliability. Sample sizes are shown so you can see which rows are worth weighing.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Republic Airwaysthin sample | 34 | 81.8% | 49 min | 0.00% | B+ |
| United Airlines | 1,758 | 80.6% | 77 min | 2.62% | B |
| American Airlines | 1,437 | 80.1% | 92 min | 4.18% | B− |
| Spirit Airlinesthin sample | 285 | 68.8% | 81 min | 4.56% | C− |
| Frontier Airlinesthin sample | 57 | 63.6% | 164 min | 1.75% | D |
American Airlines cancels 4.2% of what it schedules here, the highest in the table. A cancelled flight never appears in an on-time rate, so read that column alongside the punctuality one rather than after it.
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 23 points, against half a point between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am636 flights92.5%
- 8am–11am704 flights84.0%
- 11am–2pm829 flights78.4%
- 2pm–5pm663 flights70.7%
- 5pm–8pm565 flights69.4%
- 8pm–5am174 flights78.4%
Scale runs 60% to 100%. Rows with fewer than 30 flights show a dash.
Book the early departure. Flights leaving between 5am–8am arrive on time 92.5% of the time, against 69.4% for the evening window. That is 23 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 11am–2pm window is the busiest, with 829 flights scheduled in it.
Across the year
When delays peak on this route
Twelve months, one bar each, drawn from the same 3,571 flights. The strip shows how much of this route's record is set by the calendar rather than by the operation.
June is the worst month at 74.0% on time, 11 points below April, the best at 85.1%. Summer afternoon convection and peak-season schedules land on the same weeks every year, so this is a pattern you can book around rather than a run of bad luck. June was the busiest month here, with 321 flights.
Across the week, Tuesday is the strongest day at 84.7% on time and Saturday the weakest at 74.3%. 10 points is a smaller lever than departure hour, but it is free.
Delay causes
Why this route gets delayed
Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 61,000 reported delay minutes.
- 41%Late-arriving aircraft
- 26%National Airspace System
- 26%Carrier
- 7%Extreme weather
- 0%Security
41% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 61,000 reported delay minutes here, that single category outweighs weather by 6 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 60,786 reported delay minutes.
The practical consequence: the 5am–8am departure is the one that starts clean. Its aircraft has no earlier leg to be late from, which is exactly why that window shows 92.5% on time here.
Cancellations run at 3.36%, against 1.81% 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
For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 9.0% of arrivals land a full hour or more behind schedule, against 8.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.
The 1,372 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty. It is also long enough that the aircraft usually flies three or four legs a day rather than six, which slows how fast delay compounds.
The return leg is a different operation and performs like one: it runs 71.4% on time across 3,572 flights, 8 points below this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 8 points of difference.
The sample behind these figures is 3,571 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.
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. 3,426 completed flights over 12 months sit behind that.
Common questions
EWR to DFW questions
How often is EWR to DFW delayed?
About one flight in five arrive at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 20.8% of the 3,571 flights in this analysis, against 22.4% nationally. Delayed flights are late by an hour and a half on average.
Which airline is most reliable on EWR to DFW?
United Airlines leads at 80.6% on time across 1,758 flights. American Airlines is at the other end on 80.1%, a gap of half a point. Sample size matters as much as the percentage: a rate built from a few hundred flights moves around far more than one built from ten thousand.
What time of day has the fewest delays on EWR to DFW?
The 5am–8am departure window is the strongest at 92.5% on time. The 5pm–8pm window is the weakest at 69.4%, 23 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 June delays on EWR to DFW?
June is the weakest month at 74.0% on time, compared with 85.1% in April. Across the year that is 11 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
- DFW to EWR — the return legseparate record
- Newark Liberty International (EWR) delay statistics
- Dallas/Fort Worth International (DFW) delay statistics
- Republic Airways on-time record81.8%
- United Airlines on-time record80.6%
- American Airlines on-time record80.1%
- Why the first flight of the morning is statistically safest
- The best time of day to fly, according to 7.04 million flight records
Direction matters. EWR to DFW and DFW to EWR are scored separately because they are separate operations, with different departure banks and different aircraft. Compare the return leg.
Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Updated monthly. How this data is collected.