My trip
Plan a trip
Tell FlyerIntel where and when you are flying. It will show how that route actually performs at that time of day and on that day of the week, what both airports are doing right now, and when to get to the airport.
SEA → EWR
Seattle to Newark
Other times on SEA → EWR
Time of day
- 5–9 AM90.0%
- 9 AM–12 PM68.6%
- 12–3 PM74.7%
- 3–6 PM67.9%
- 6–9 PMToo few flights to score
- 9 PM–5 AM78.5%
Day of week
- Monday79.3%
- Tuesday85.1%
- Wednesday83.7%
- Thursday74.4%
- Friday76.1%
- Saturday79.2%
- Sunday77.7%
Bars start below the lowest figure so a real gap is visible; read the percentage, not the bar length. A time with too few flights to score is left unscored rather than guessed at.
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – July 2026 · History describes what has happened on this route. It is not a prediction about your flight. Full route profile →
Which flight
Every flight number on SEA → EWR with enough history to judge, most reliable first.
On this route, UA1274 (usually 11:00 PM) has the best record: 86.7% on time and 2.17% cancelled over 92 flights, against 79.3% on time for SEA → EWR as a whole.
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – July 2026 · “Usually departs” is the scheduled time each flight number most often had over the period; airlines retime flights, so confirm the time on your booking. Flight numbers with fewer than 90 operations on this route are left out. This is history, not a forecast for your flight.
Where AS477 is right now
A live reading for one flight, only if you ask for it. It is not part of the planning figures above.
Ask for the position of AS477 right now, if receivers on the ground are hearing it. Nothing is requested until you press the button.
When to get to the airport
A starting point for SEA, not a promise about your day.
Add your departure time above for clock times.
How this was worked out
- It does not include your journey to the airport, parking, or a shuttle from a remote lot.
- International departures, and travel with children, checked pets or special assistance, need more time.
Both airports right now
Weather conditions are strongly associated with delays and cancellations.
Severe operational impact. Conditions of this kind are strongly associated with delays and cancellations.
- Visibility 3 statute miles.
- Cloud ceiling 100 feet.
Aviation weather is not currently a factor.
Minimal operational impact. Conditions are not a notable factor for operations right now.
UpdatedSource: NOAA Aviation Weather Center · Conditions describe the airfield, not your flight, and change quickly.
Other ways to make this journey
Airport pairings serving Seattle to New York.
Who flies this route
Performance by the carrier that actually operates the flight.
| Carrier | Flights | On time | Cancelled | Median delay |
|---|---|---|---|---|
| Alaska Airlines | 3,328 | 78.1% | 1.83% | -9 min |
| United Airlines | 3,072 | 80.7% | 1.56% | -10 min |