Route profile
CHS→EWR
Flight reliability, delays and best times to fly from Charleston to Newark, 628 miles.
Right now
Aviation weather is not currently a factor.
Aviation weather is not currently a factor.
Route reliability
July 2023 – July 2026
Better than 25% of comparable major US routes (4,598 compared)
Calculated from 4,370 flights. How this is calculated
CHS → EWR arrives on time 82.2% of the time; the return trip, EWR → CHS, arrives on time 80.9% of the time.
CHS → EWR spends 25.7 minutes on the ground on a 628-mile trip: 16.5 minutes from pushback to wheels-up at CHS and 9.3 minutes from touchdown to gate at EWR.
Source: US DOT Bureau of Transportation Statistics · Data covering July 2023 – July 2026
What sets this route apart
Where CHS to EWR differs most from similar routes by hour, weekday, month and airline, July 2023 – July 2026.
CHS to EWR is at its best against routes of similar length for flights scheduled at 10 AM: 89.4% arrive on time, 5.1 points ahead of the 84.3% those routes manage at that hour. Against all other routes the gap is 6.7 points.
CHS to EWR holds up on Fridays better than routes of similar length do: 82.3% on time to their 76.2%, a 6.1 points lead. Against all other routes the gap is 6.1 points.
January is kinder to CHS to EWR than to routes of similar length: 88.4% on time against 79.3%, 9.1 points better. Against all other routes the gap is 9.3 points.
In November, CHS to EWR runs 5.3 points below routes of similar length, 78.5% on time to 83.8%. Against all other routes the gap is 4.9 points.
United Airlines does better on CHS to EWR than on its routes of similar length: 83.1% on time here, 78.2% there, 4.9 points apart. Against all other routes the gap is 3.2 points.
CHS to EWR against comparable routes
July 2023 – July 2026| Measure | This route | Compared with | Them | Gap | Flights behind it |
|---|---|---|---|---|---|
| Hour: 10 AM departures | 89.4% | routes of similar length | 84.3% | +5.1 pts | 274 here, 123,346 there |
| Weekday: Friday | 82.3% | routes of similar length | 76.2% | +6.1 pts | 627 here, 312,550 there |
| Month: January | 88.4% | routes of similar length | 79.3% | +9.1 pts | 329 here, 151,208 there |
| Month: November | 78.5% | routes of similar length | 83.8% | −5.3 pts | 368 here, 167,025 there |
| Airline: United Airlines | 83.1% | routes of similar length | 78.2% | +4.9 pts | 2,528 here, 232,382 there |
Each comparison pools the flights of other routes, with this route’s own left out. Similar length means within 15% of this route’s 628 miles, with at least 5 such routes. A bucket is set against the most comparable group that has enough flights: similar length, then the same origin (at least 3 routes), then all other routes. Hours, weekdays and months appear only where both sides have 120 completed flights, and airlines where both have 600. The gap must be at least 2 points and 2 standard errors, and only the largest gap each way is kept per measure. These are differences in the flights counted, not causes.
Why CHS → EWR flights are cancelled
July 2023 – July 2026
CHS → EWR cancelled 136 of 4,370 scheduled flights — about 1 in every 32. The reason filed most often was extreme weather, 61.8% of the cancellations coded on this route — about 1 in every 52 scheduled flights.
Share of cancellations
Of 136 cancelled departures carrying a reason code.
What each reason means
Conditions the carrier judged severe enough to stop the flight: a blizzard, a hurricane, a line of thunderstorms.
84 cancellations, 61.8% of the total.
Airport capacity, air traffic control flow programs, heavy traffic and ordinary bad weather. A system decision, not the airline’s.
34 cancellations, 25.0% of the total.
Crew, maintenance, aircraft cleaning, baggage or fueling: what BTS counts as within the carrier’s own control.
18 cancellations, 13.2% of the total.
A terminal evacuation, a security breach, screening equipment failure, or screening queues over 29 minutes.
0 cancellations, 0.0% of the total.
Reason codes are the operating airline’s own filing with US DOT, not an independent finding of fault. Ordinary bad weather is filed under air traffic, so weather’s full share is larger than its bar.
136 coded cancellations were recorded on CHS → EWR; the section appears from 50.
When it goes wrong
July 2023 – July 2026
50 min late
against a median of 10 min early
CHS → EWR has an average that understates its risk: a typical arrival is 10 min early, but the worst tenth are 60 minutes worse than that. If the trip has something unmissable at the end of it, the median is the wrong number to plan against.
Percentiles over 4,370 operations; cancelled and diverted flights are counted separately.
Will your connection be tight enough?
Layovers at EWR after arriving from CHS.
| Connection time | Chance of missing | Reads as |
|---|---|---|
| 30 min | 29% | High risk |
| 45 min | 17% | High risk |
| 60 min | 13% | Some risk |
| 90 min | 8.7% | Some risk |
| 120 min | 6.4% | Some risk |
This is one leg of a connection. Gate changes and the next flight's own schedule matter too. And a connection can fail before delay is even the question — this route cancels 3.11% of the time and diverts 0.14% of the time, which a late arrival never shows up in.
Chance of missing is the share of 4,228 arrivals on this route that landed later than the connection time less 30 minutes to reach the next gate.
The worst tenth of arrivals on this route land at least 50 minutes late (90th-percentile gate arrival delay), over 4,370 operations.
Any other layover length: connection checker.
Best time to fly
CHS → EWR flights departing 5–9 AM arrived on time 92.2% of the time, against 64.3% for 6–9 PM departures, a gap of 27.9 percentage points.
By departure window
By departure hour
- 12 AM to 5 AM: too few flights to score
- 6 AM: 93.1% on time from 1,263 flights
- 7 AM: 87.2% on time from 275 flights
- 8 AM to 9 AM: too few flights to score
- 10 AM: 89.4% on time from 276 flights
- 11 AM: 86.6% on time from 865 flights
- 12 PM: too few flights to score
- 1 PM: 77.9% on time from 223 flights
- 2 PM: 74.9% on time from 295 flights
- 3 PM: 68.9% on time from 310 flights
- 4 PM to 6 PM: too few flights to score
- 7 PM: 68.4% on time from 397 flights
- 8 PM to 11 PM: too few flights to score
Departure windows with fewer than 120 flights are not scored.
Why CHS → EWR runs late
July 2023 – July 2026
airspace and airport capacity, including weather-driven flow control
the inbound aircraft was late, so this flight started late
crew, maintenance, boarding and fueling, all within the carrier’s control
weather severe enough to stop this flight specifically
screening or terminal security incidents
Share of the delay minutes US DOT attributed to each cause for CHS → EWR. Only delays of 15 minutes or more are attributed.
Airlines on this route
Carriers with at least 200 flights, by the airline that operated each one.
| Carrier | Flights | On time | Cancelled | Median delay | Severe |
|---|---|---|---|---|---|
| United Airlines | 2,585 | 83.1% | 2.17% | -9 min | 8.5% |
| Spirit Airlines | 1,002 | 77.1% | 3.69% | -10 min | 11.5% |
| Republic Airways | 783 | 86.0% | 5.49% | -15 min | 6.6% |
United Airlines flew 59.2% of the 4,370 flights listed. Republic Airways cancelled 5.49% of its flights here against 2.17% for United Airlines.
Republic Airways arrived on time 8.9 percentage points more often than Spirit Airlines on this route.
Flights on this route
Flight numbers with at least 600 operations here and still on the schedule.
Weekly and seasonal patterns
By day of week
Tuesday is historically the most reliable day and Sunday the least, a gap of 10.4 percentage points.
By month
- Jan: 88.4%
- Feb: 86.2%
- Mar: 86.8%
- Apr: 82.4%
- May: 77.1%
- Jun: 81.5%
- Jul: 73.9%
- Aug: 83.8%
- Sep: 87.1%
- Oct: 83.1%
- Nov: 78.5%
- Dec: 80.5%
July is historically the weakest month and January the strongest, a spread of 14.5 percentage points.
Reliability over time
July 2023 – July 2026
- July 2023: 70.5% from 153 flights
- August 2023: 86.5% from 135 flights
- September 2023: too few flights to score (115)
- October 2023: 95.0% from 122 flights
- November 2023: 94.2% from 121 flights
- December 2023: 94.7% from 132 flights
- January 2024: 90.8% from 121 flights
- February 2024: too few flights to score (113)
- March 2024: 94.3% from 124 flights
- April 2024: too few flights to score (117)
- May 2024: 91.1% from 124 flights
- June 2024: 82.2% from 120 flights
- July 2024: 83.3% from 120 flights
- August 2024: too few flights to score (113)
- September 2024: too few flights to score (119)
- October 2024: too few flights to score (114)
- November 2024: too few flights to score (116)
- December 2024: 77.4% from 124 flights
- January 2025: too few flights to score (115)
- February 2025: too few flights to score (104)
- March 2025: 85.1% from 123 flights
- April 2025: 71.9% from 138 flights
- May 2025: 53.9% from 128 flights
- June 2025: too few flights to score (105)
- July 2025: too few flights to score (113)
- August 2025: too few flights to score (114)
- September 2025: too few flights to score (103)
- October 2025: 66.9% from 128 flights
- November 2025: 72.4% from 140 flights
- December 2025: 68.1% from 123 flights
- January 2026: too few flights to score (114)
- February 2026: too few flights to score (107)
- March 2026: 80.8% from 124 flights
- April 2026: too few flights to score (113)
- May 2026: too few flights to score (93)
- June 2026: too few flights to score (90)
- July 2026: too few flights to score (92)
Over the most recent 12 months (2025-08 to 2026-07), on-time arrivals averaged 79.2% against 77.6% in the 12 months before — improving by 1.6 percentage points.
Data and methodology
Calculated by FlyerIntel from 4,370 CHS → EWR flight records from the US DOT Bureau of Transportation Statistics, covering July 2023 – July 2026. Late means 15 or more minutes past scheduled arrival; cancelled and diverted flights are left out of on-time rates.
Full methodology · Data sources · Report a problem
Related research: How Long a Layover Needs to Be · Two Airlines on One Route · Best Time of Day to Fly From Major US Airports
Analysis last recomputed