Best Time to Fly OMA to SEA: On-Time Stats by Hour & Airline
Eppley Airfield → Seattle/Tacoma International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 86.8% of Omaha (OMA) to Seattle (SEA) flights arrived on time (510 scheduled flights). That is 9.2 points above the national average of 77.6%.
Alaska Airlines was the only reporting airline with regular flights on this route.
May has been the best month (95% on time) and Monday the weakest day of the week (82%).
0.2% of flights were cancelled, versus 1.8% nationally.
OMA to SEA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Alaska Airlines | 86.8% | 63 min | 0.2% | 510 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly OMA to SEA
On-time arrival % by scheduled departure hour (local time), 981 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 94.2% | 0.7% | 139 |
| 7am–8am | 93.2% | 0.6% | 165 |
| 1pm–2pm | Limited data | 29 | |
| 2pm–3pm | 87.2% | 0.0% | 109 |
| 3pm–4pm | 82.2% | 0.2% | 511 |
| 4pm–5pm | Limited data | 28 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on OMA to SEA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 83.3% | -2.8 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 86.9% | +0.8 pts | 0.4% | 247 |
| All other days | 86.2% | — | 0.3% | 690 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).