Route reliability record
DFW→EWR
Dallas-Fort Worth to Newark
- Flights
- 3,572
- Period
- July 2025 to June 2026
- Distance
- 1,372 mi
- Carriers
- 5
This route carries a cancellation problem, not just a delay problem: 3.3% of scheduled flights never operate, against 1.8% nationally. Of the ones that do fly, about seven flights in ten arrive on time, worth a C− overall. The punctuality figure counts only flights that actually departed, so it flatters an operation that cancels this often. That rests on 3,572 flights, of which United Airlines flew 1,758 at 77.1% on time.
The national on-time rate over the same period is 77.6%, so this route runs 6 points behind the country as a whole. Across a thousand flights that is about 62 extra late arrivals.
Key figures
On time
71.4%
Arrivals under 15 minutes late, of 3,431 completed flights
Avg delay
84 min
Across delayed arrivals only, not all flights
Cancelled
3.33%
National rate is 1.81%
Best carrier
United
77.1% on time across 1,758 flights
These figures cover 3,572 flights between July 2025 and June 2026. Beyond the headline rate, 12.9% 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 DFW to EWR
The choice of carrier is not cosmetic here. United Airlines arrives on time 77.1% of the time; American Airlines manages 65.4%. Sample sizes sit next to every figure, because a two-point gap across 1,437 flights means less than a ten-point one.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Frontier Airlinesthin sample | 57 | 80.4% | 58 min | 1.75% | B |
| United Airlines | 1,758 | 77.1% | 91 min | 2.62% | B |
| American Airlines | 1,437 | 65.4% | 78 min | 4.18% | C− |
| Spirit Airlinesthin sample | 286 | 65.3% | 70 min | 4.20% | C− |
| Republic Airwaysthin sample | 34 | 63.6% | 255 min | 0.00% | 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 35 points, against 12 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am808 flights87.6%
- 8am–11am426 flights82.8%
- 11am–2pm899 flights72.3%
- 2pm–5pm461 flights52.7%
- 5pm–8pm890 flights60.0%
- 8pm–5am88 flights67.5%
Scale runs 45% to 95%. Rows with fewer than 30 flights show a dash.
Book the early departure. Flights leaving between 5am–8am arrive on time 87.6% of the time, against 52.7% for the afternoon window. That is 35 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 899 flights scheduled in it.
Across the year
When delays peak on this route
This route's year swings by 21 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.
July is the worst month at 60.2% on time, 21 points below May, the best at 81.6%. 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 322 flights.
Across the week, Tuesday is the strongest day at 78.3% on time and Sunday the weakest at 65.5%. 13 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 83,000 reported delay minutes.
- 38%National Airspace System
- 34%Late-arriving aircraft
- 22%Carrier
- 6%Extreme weather
38% 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 31,000 minutes out of 83,000, against a national NAS share of 21%. The split is drawn from 82,504 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 87.6% on time here.
Cancellations run at 3.33%, 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. 12.9% 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 79.2% on time across 3,571 flights, 8 points above 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 3,572 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 3.33% 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. 3,431 completed flights over 12 months sit behind that.
Common questions
DFW to EWR questions
How often is DFW to EWR delayed?
Roughly one flight in three arrive at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 28.6% of the 3,572 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 DFW to EWR?
United Airlines leads at 77.1% on time across 1,758 flights. American Airlines is at the other end on 65.4%, a gap of 12 points. 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 DFW to EWR?
The 5am–8am departure window is the strongest at 87.6% on time. The 2pm–5pm window is the weakest at 52.7%, 35 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 July delays on DFW to EWR?
July is the weakest month at 60.2% on time, compared with 81.6% in May. Across the year that is 21 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 DFW — the return legseparate record
- Dallas/Fort Worth International (DFW) delay statistics
- Newark Liberty International (EWR) delay statistics
- Frontier Airlines on-time record80.4%
- United Airlines on-time record77.1%
- American Airlines on-time record65.4%
- 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. DFW to EWR and EWR to DFW 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.