Carrier route record
UAEWR→CLT
United Airlines · Newark to Charlotte
- Flights
- 723
- Period
- September 2025 to August 2026
- Share of route
- 20%
- Carriers
- 4
Historical statistics for September 2025 to August 2026, not live status. For today’s flights, check with United Airlines.
United on EWR to CLT sits in the middle of the pack with a B. Close to three flights in four arrive on time by the DOT's definition, 2 points worse than the national rate of 77.3%. The late ones land an hour and a half behind schedule. That rests on 723 flights. The strongest carrier on the route with a full sample, Republic Airways, flew 787 at 87.5% on time.
The US average over the same twelve months is 77.3%, so there is little to separate United on EWR to CLT from the country as a whole. The variation that matters here is internal: which carrier, and what time of day.
Key figures
On time
75.7%
Arrivals under 15 minutes late, of 708 completed flights
Avg delay
90 min
Across delayed arrivals only, not all flights
Cancelled
1.94%
National rate is 1.89%
Whole route
80.4%
Every carrier on EWR to CLT, 3,688 flights
These figures cover 723 flights between September 2025 and August 2026. Beyond the headline rate, 11.7% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
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Carrier by carrier
United against every carrier on EWR to CLT
United flew 723 of the 3,688 flights on EWR to CLT, about 20% of it. Its 75.7% on time is 5 points worse than the route as a whole, which runs 80.4%. Ranked by on-time rate it is number three of four carriers on the route, where the range runs from Republic at 87.5% to Spirit at 70.2%. One of those carriers flew fewer than 365 flights here, so treat their positions as rough.
The choice of carrier is not cosmetic here. Republic Airways arrives on time 87.5% of the time; American Airlines manages 81.0%. Sample sizes sit next to every figure, because a two-point gap across 1,831 flights means less than a ten-point one.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Republic Airways | 787 | 87.5% | 71 min | 3.94% | A− |
| American Airlines | 1,831 | 81.0% | 111 min | 3.71% | B− |
| United Airlines (this page) | 723 | 75.7% | 90 min | 1.94% | B |
| Spirit Airlinesthin sample | 347 | 70.2% | 77 min | 7.20% | C− |
Republic Airways cancels 3.9% 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.
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Departure window
When United runs best on this route
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 34 points, against 7 points between the best and worst carrier.
- 5am–8am47 flights91.5%
- 8am–11am—
- 11am–2pm67 flights89.6%
- 2pm–5pm249 flights78.4%
- 5pm–8pm289 flights71.8%
- 8pm–5am71 flights58.0%
Scale runs 50% to 95%. Rows with fewer than 30 flights show a dash.
The 8pm–5am window is where this operation falls apart: 58.0% on time, against 91.5% for the 5am–8am slot. By evening the aircraft flying these rotations have absorbed a full day of small delays and there is no slack left to recover in. The 5pm–8pm window is the busiest, with 289 flights scheduled in it.
Across the year
United on EWR to CLT through the year
December is the weak month at 63.0% on time, against 87.2% in April. 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. September was the busiest month here, with 104 flights.
Across the week, Tuesday is the strongest day at 84.5% on time and Sunday the weakest at 69.0%, a spread of 16 points.
Arrival by arrival
How late United on EWR to CLT runs when it is late
United on EWR to CLT often beats the schedule: 218 of 708 completed flights, 31%, arrived 15 minutes or more early. The 172 late arrivals split 46 under half an hour, 43 between 30 and 60 minutes, and 83 an hour or more.
- 15+ min early218 flights30.8%
- Within 15 min318 flights44.9%
- 15–29 min late46 flights6.5%
- 30–59 min late43 flights6.1%
- 1–2 hours late44 flights6.2%
- 2+ hours late39 flights5.5%
Scale runs 0% to 100%.
Share of 708 completed flights by arrival against schedule.
35 of 173 late departures made up the time and arrived on time, 20% of them. 34 flights left on time and still arrived late.
The worst days
Worst days for United on EWR to CLT
The latest arrival of the period was on 30 October 2025, 9 hours 35 minutes behind schedule; most of its delay minutes were filed as a late-arriving aircraft. The same cause led on four of the five worst days.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 30 October 2025 | 9 hours 35 minutes | Late-arriving aircraft |
| 4 September 2025 | 7 hours 58 minutes | Carrier |
| 30 October 2025 | 7 hours 19 minutes | Late-arriving aircraft |
| 9 November 2025 | 6 hours 56 minutes | Late-arriving aircraft |
| 16 March 2026 | 6 hours 36 minutes | Late-arriving aircraft |
Delay causes
Why United runs late on this route
Late-arriving aircraft accounts for 52% of the 16,000 delay minutes carriers reported here, and the remaining four split what is left.
- 52%Late-arriving aircraft
- 26%Carrier
- 19%National Airspace System
- 3%Extreme weather
52% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 16,000 reported delay minutes here, that single category outweighs weather by 19 to one. The split is drawn from 15,526 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 91.5% on time here.
Cancellations sit at 1.94% against a national 1.89%, which is ordinary. Diversions add another 0.14%.
Connections and stage length
What a delay here costs
11.7% 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.
The 529 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.
The return leg is a different operation and performs like one: it runs 82.0% on time across 724 flights, 6 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 6 points of difference.
One caution: this is a thin sample. 723 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking United on EWR to CLT
Put together: treat all of this as provisional. 723 flights over twelve months is enough to clear this site's floor and not enough to be confident to better than a couple of points. The 75.7% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 708 completed flights over 12 months sit behind that.
Related
Where to go next
- EWR to CLT, every carrier
- United on CLT to EWR, the return leg
- Republic Airways on EWR to CLT87.5%
- American Airlines on EWR to CLT81.0%
- Spirit Airlines on EWR to CLT70.2%
- United Airlines network-wide record
- Newark Liberty International (EWR) delay statistics
- Charlotte Douglas International (CLT) delay statistics
- Why the first flight of the morning is statistically safest
- The best time of day to fly, according to 7.05 million flight records
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.