Route · SEA → CLT · 2020–2025 BTS data
Seattle to Charlotte
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SEA to CLT (Seattle to Charlotte) ranks #1989 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 84.9%
- On-time
- +5.9 pts
- vs US avg
- 121 min
- Delay when late
- 6,329
- Flights
- #1989 of 4927
- Corpus placement
Cancelled
0.9%
Best Month
May 2025 95%
Worst Month
May 2024 62%
Distance
2,279 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 88 | 8 | 0 | 0 | AA |
| Nov 2025 | 85 | 5 | 1 | 2 | AA |
| Oct 2025 | 109 | 8 | 0 | 0 | AA |
| Sep 2025 | 120 | 18 | 0 | 1 | AA |
| Aug 2025 | 126 | 16 | 0 | 0 | AA |
| Jul 2025 | 154 | 19 | 1 | 0 | AA |
| Jun 2025 | 144 | 29 | 3 | 1 | AA |
| May 2025 | 110 | 6 | 0 | 1 | AA |
| Apr 2025 | 90 | 14 | 0 | 0 | AA |
| Mar 2025 | 90 | 10 | 1 | 0 | AA |
| Feb 2025 | 75 | 5 | 0 | 0 | AA |
| Jan 2025 | 86 | 8 | 1 | 0 | AA |
| Dec 2024 | 88 | 10 | 0 | 1 | AA |
| Nov 2024 | 78 | 7 | 0 | 0 | AA |
| Oct 2024 | 118 | 14 | 0 | 1 | AA |
| Sep 2024 | 127 | 26 | 2 | 1 | AA |
| Aug 2024 | 150 | 34 | 2 | 0 | AA |
| Jul 2024 | 151 | 46 | 5 | 0 | AA |
| Jun 2024 | 145 | 27 | 4 | 0 | AA |
| May 2024 | 119 | 45 | 3 | 0 | AA |
| Apr 2024 | 86 | 8 | 0 | 0 | AA |
| Mar 2024 | 93 | 15 | 1 | 0 | AA |
| Feb 2024 | 79 | 10 | 0 | 0 | AA |
| Jan 2024 | 86 | 9 | 0 | 0 | AA |
SEA–CLT seasonal on-time pattern
Best: January (90.3%) · weakest: June (78.2%)
Strongest calendar month
January
90.3% on-time · ~75 flights/mo
Busiest calendar month
July
~114 flights/mo avg
Weakest calendar month
June
78.2% on-time · ~107 flights/mo
Cancellation Rate
0.9%
24 of 2,597 flights
Diversion Rate
0.3%
8 of 2,597 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
SEA on-time profileCLT - Charlotte
Full on-time, delay-cause, and seasonal performance for Charlotte, NC.
CLT on-time profileCompare the two airports
See SEA and CLT side by side on delays, cancellations, and reliability.
Compare SEA vs CLTOrigin-hub reliability standing
Mid-pack among SEA departures
From SEA, this corridor sits with 63 other 75–85% on-time routes out of 89 tracked departures, not the hub's reliability leaders (25 at ≥85%) and not the softest ( 1 below 75%). Destination: Charlotte · fleet on-time rank #1276 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SEA–CLT.
Routes with a similar on-time rate
What the Data Says About SEA to CLT
Bureau of Transportation Statistics records show Seattle to Charlotte (SEA to CLT) running a 84.9% on-time rate over 6,329 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 121.3 minutes. The 2,279-mile corridor is served by 1 carrier, and over the last 24 months 0.9% of 2,597 flights were cancelled, 0.3% diverted.
The monthly split is wide on this route: May 2025 posted the strongest performance at 95% on-time, while May 2024 came in at just 62% - a 32-point swing worth factoring into travel timing.
On the multi-year calendar, SEA–CLT peaks in January at 90.3% on-time while July carries the heaviest traffic (~114 flights per month) ; the softest month is June at 78.2%, a 12.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SEA to CLT rank among US routes by traffic? ▼
How often are flights delayed from SEA to CLT? ▼
What is the cancellation rate for SEA to CLT? ▼
How far is the flight from SEA to CLT? ▼
When is the best time to fly from SEA to CLT? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using SEA–CLT data
SEA–CLT runs 5.9 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare SEA and CLT airport profiles: delay causes and top routes differ even on the same corridor. SEA airport
- If your dates flex, January (90.3% on-time) beats June (78.2%) on this corridor. Seasonal chart
- 4 other routes post a similar 84.9% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.