CLT to SEA flight delays & on-time performance
Nonstop flights from Charlotte Douglas International Airport to Seattle–Tacoma International Airport · 2,279 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at CLT or SEA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Charlotte (CLT) to Seattle (SEA) arrived on time 70% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1% were cancelled, and 10% arrived an hour or more late.
- American Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (86% on time); around 8pm did worst (56%).
- Monday was the most reliable day to fly (75% on time) and Friday the least (64%).
- The largest source of delay minutes was late-arriving aircraft (40%).
Which airline is most on time from CLT to SEA?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| American Airlines | 70% | 1.0% | 19 min | 10.3% | 1,296 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am86%70 flights
- 8am76%124 flights
- 9am78%218 flights
- 10am75%20 flights
- 12pm100%15 flights
- 2pm79%24 flights
- 3pm70%164 flights
- 4pm61%188 flights
- 5pm65%182 flights
- 6pm65%158 flights
- 7pm71%34 flights
- 8pm56%97 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday75%1.6% cancelled
- Tuesday74%0.5% cancelled
- Wednesday72%0.6% cancelled
- Thursday70%0.0% cancelled
- Friday64%0.0% cancelled
- Saturday65%1.7% cancelled
- Sunday68%2.7% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft40%
- Airline (crew, maintenance, cleaning, fueling)37%
- Air traffic control & airport congestion18%
- Extreme weather5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
CLT to SEA: common questions
- How often are CLT to SEA flights on time?
- 70% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Charlotte to Seattle cancelled?
- 1.0% of scheduled flights were cancelled (13 of 1,296).
- How long are typical delays?
- Across all flights the average arrival delay was 19 min (early arrivals count as zero). Flights that were late arrived 60 min behind schedule on average, and 10.3% of flights were an hour or more late.
- How long is taxi time at CLT?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SEA to CLT — 88% on time
More flights from Charlotte
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: CLT → SEA, nonstop flights by US airlines that report to the DOT. How we calculate this.