Route on-time record
CLT to SEA: most on-time flights and the best time to fly
Charlotte (Charlotte Douglas International Airport) to Seattle (Seattle–Tacoma International Airport). 1,298 nonstop flights in Jun 2025 to May 2026, 68% arrived within 15 minutes and 1.3% were cancelled. The most reliable flight number was American 2791 at 9:46 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
CLT → SEA
Charlotte to Seattle: 1,298 nonstop flights a year
On time (12 months)
68%
Cancelled
1.3%
avg delay 23 min
Best time to leave
9 AM to noon
82% on time vs 59% 6 to 9 PM
Most reliable airline
American
68% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · American 2791
9:46 AM → 12:33 PM5h 47m nonstop
Local times, typical schedule. Last flown 2026-05-20.
77%
chance on time
- On time (history)
- 77%
- Cancelled
- 0.0%
- Avg arrival delay
- 14 min
- Arrived on time 77% of the time (44 flights, Jun 2025 to May 2026).
- Never cancelled in 44 scheduled flights.
- Leaves in this route's most on-time window (9 AM to noon: 82% on time; 6 to 9 PM: 59%).
- Departs outside CLT's trouble window (2 PM to 8 PM, when 63% of its 48 ground stops and delay programs started).
Limited track record · 44 flights
Find American 2791 fares Opens this date on Aviasales#2 · American 2529
9:19 AM → 12:10 PM5h 51m nonstop
Local times, typical schedule. Last flown 2026-05-31.
76%
chance on time
- On time (history)
- 73%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 73% of the time (11 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 82% on time; 6 to 9 PM: 59%).
- Departs outside CLT's trouble window (2 PM to 8 PM, when 63% of its 48 ground stops and delay programs started).
Limited track record · 11 flights
Find American 2529 fares Opens this date on Aviasales#3 · American 2525
7:06 AM → 9:50 AM5h 44m nonstop
Local times, typical schedule. Last flown 2026-05-31.
74%
chance on time
- On time (history)
- 90%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 90% of the time (10 flights, Jun 2025 to May 2026).
- Departs outside CLT's trouble window (2 PM to 8 PM, when 63% of its 48 ground stops and delay programs started).
Limited track record · 10 flights
Find American 2525 fares Opens this date on Aviasales#4 · American 2107
3:24 PM → 6:07 PM5h 43m nonstop
Local times, typical schedule. Last flown 2026-05-31.
69%
chance on time
- On time (history)
- 69%
- Cancelled
- 0.0%
- Avg arrival delay
- 29 min
- Arrived on time 69% of the time (132 flights, Jun 2025 to May 2026).
- Never cancelled in 132 scheduled flights.
- Departs inside CLT's trouble window: 63% of its 48 ground stops and delay programs started between 2 PM and 8 PM.
- Lands inside SEA's trouble window: 54% of its 68 ground stops and delay programs started between 4 PM and 10 PM.
Moderate track record · 132 flights
Find American 2107 fares Opens this date on Aviasales#5 · American 751
6:21 PM → 9:04 PM5h 43m nonstop
Local times, typical schedule. Last flown 2026-05-31.
61%
chance on time
- On time (history)
- 61%
- Cancelled
- 0.5%
- Avg arrival delay
- 30 min
- Arrived on time 61% of the time (181 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 59% on time; 9 AM to noon: 82%).
- Departs inside CLT's trouble window: 63% of its 48 ground stops and delay programs started between 2 PM and 8 PM.
- Lands inside SEA's trouble window: 54% of its 68 ground stops and delay programs started between 4 PM and 10 PM.
Moderate track record · 181 flights
Find American 751 fares Opens this date on Aviasales#6 · American 1674
8:16 PM → 10:59 PM5h 43m nonstop
Local times, typical schedule. Last flown 2026-05-31.
60%
chance on time
- On time (history)
- 59%
- Cancelled
- 1.9%
- Avg arrival delay
- 33 min
- Arrived on time 59% of the time (104 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 59% on time; 9 AM to noon: 82%).
- Departs outside CLT's trouble window (2 PM to 8 PM, when 63% of its 48 ground stops and delay programs started).
Moderate track record · 104 flights
Find American 1674 fares Opens this date on Aviasales#7 · American 3196
4:47 PM → 7:28 PM5h 41m nonstop
Local times, typical schedule. Last flown 2026-05-20.
57%
chance on time
- On time (history)
- 55%
- Cancelled
- 0.0%
- Avg arrival delay
- 27 min
- Arrived on time 55% of the time (44 flights, Jun 2025 to May 2026).
- Never cancelled in 44 scheduled flights.
- Departs inside CLT's trouble window: 63% of its 48 ground stops and delay programs started between 2 PM and 8 PM.
- Lands inside SEA's trouble window: 54% of its 68 ground stops and delay programs started between 4 PM and 10 PM.
Limited track record · 44 flights
Find American 3196 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- American Airlines68%
1,298 flights · 68% on time as flown · 1.3% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM77%
134 flights · avg delay 9 min
- 9 AM to noon82%
239 flights · avg delay 11 min
- Noon to 3 PM80%
46 flights · avg delay 17 min
- 3 to 6 PM65%
530 flights · avg delay 28 min
- 6 to 9 PM59%
349 flights · avg delay 29 min
Best day: Tuesday (72%). Worst: Sunday (65%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Late-arriving aircraft41%
- Airline (crew, maintenance, boarding)33%
- Air traffic control and airport volume15%
- Severe weather11%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
CLT to SEA questions
- What time of day is best to fly CLT to SEA?
- 9 AM to noon: 82% of flights arrived on time, against 59% for departures 6 to 9 PM.
- Which airline is most on time from CLT to SEA?
- American, with a season-adjusted 68% chance of operating and arriving on time over 1,298 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on CLT to SEA?
- July (50% on time); the best was January (82%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from CLT
- SEA to CLT (return)
- CLT to MCO 69%
- CLT to ATL 82%
- CLT to LGA 72%
- CLT to ORD 72%
- CLT to BOS 75%
- CLT to DFW 78%
- CLT to EWR 73%
- CLT to MIA 75%
- CLT to DTW 82%
- CLT to BNA 76%
- CLT to PHL 77%
- CLT to TPA 74%
Most on-time flights from CLT on every route →
Live status: FAA delays and ground stops