Route
CLE → SEA
Cleveland Hopkins International Airport Seattle–Tacoma International Airport
2,021 miles
Return route SEA → CLE →
How punctual is this route?
- On-time arrivals
- 62.7%
- Less than 15 minutes late
- Cancelled
- 1.5%
- Of scheduled flights
- Average delay when late
- 57 min
- Flights arriving 15+ minutes late
- Flights tracked
- 461
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 34%
- Air traffic control & airport 32%
- Airline (crew, maintenance, cleaning) 27%
- Extreme weather 6%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 85.4% | 48 |
| October 2025 | 74.2% | 33 |
| November 2025 | 72.0% | 26 |
| December 2025 | 20.7% | 29 |
| January 2026 | 45.0% | 23 |
| February 2026 | 50.0% | 20 |
| March 2026 | 38.5% | 27 |
| April 2026 | 80.0% | 30 |
| May 2026 | 64.4% | 45 |
| June 2026 | 61.4% | 57 |
| July 2026 | 68.9% | 61 |
| August 2026 | 60.7% | 62 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Alaska Airlines | 461 | 62.7% | 1.5% | 57 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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