UA661United Airlines · SNA → ORD
live · 3m ago
Route confirmed United Airlines

UA661 Santa AnaSNA · 07:00 ChicagoORD · 15:27

UA661 by United Airlines flies from Santa Ana (SNA) to Chicago (ORD) for the Fri, Oct 16 departure.

Same number through SNA → EWR → ORD

Right nowIn the air to Chicago
15:05

estimated arrival at ORD · local time · ~3h 52m from now

LivePosition · updated 3m ago
SNA1,304 mi · ~3h 52m leftORD
35,000 ftAltitudecruising
509 mphSpeed442 kt
78°Direction

Live position · flown path, last 58 min

Typical gate push+13 minmedian posted departure
Cancellation0 in 14tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-15
+14 gate
10-14
+13 gate
10-13
+8 gate
10-12
+10 gate
10-11
+52 gate
10-10
+13 gate
10-09
+13 gate

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

0 cancelled · 14 operations tracked

The route today

live boards
SNASanta AnaHigh riskSNA delay board →
ORDChicagoOn-time likelyORD delay board →
SNA→ORDevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
41%Chance of 15+ min delay
3.8%Chance of cancellation
+13 minAvg hub delay right now

Driven mainly by ORD (Chicago), currently flying IFR (instrument). For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Santa Ana to Chicago flights today

same route · United Airlines
UA1559departs 12:40
UA2186departs 21:00

If UA661 is cancelled, these are the other United Airlines nonstop flights from Santa Ana to Chicago on the same day, with scheduled departure times in SNA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA661 actually runs

Pro Flight Search has tracked every published board update for UA661 across the SNA and ORD boards: schedule changes, gate pushes and actual clocks. Usually lands ~24 min early. Based on 13 confirmed landings · 12/13 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how UA661 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-15SNA 07:00 07:14 (+14)ORD
10-14SNA 07:00 07:13 (+13)ORD
10-13SNA 07:00 07:08 (+8)ORD
10-12SNA 07:00 07:10 (+10)ORD
10-11SNA 07:50 08:42 (+52)ORD
10-10SNA 07:00 07:13 (+13)ORD
10-09SNA 07:00 07:13 (+13)ORD
10-08SNA 07:00 07:09 (+9)ORD
10-07SNA 07:00 07:13 (+13)ORD
10-06SNA 07:00 07:18 (+18)ORD
10-05SNA 07:00 07:12 (+12)ORD
10-04SNA 07:50 08:29 (+39)ORD
10-03SNA 07:00 07:10 (+10)ORD
10-02SNA 07:00 07:16 (+16)ORD

Aircraft

Recent tails: N24706, N54711, N13750, N25705.

Board clocks recorded as SNA and ORD published them.

Planning around UA661? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — UA661 Santa Ana to Chicago on-time performance, measured from the SNA and ORD airport boards.

Canonical URL
https://proflightsearch.com/flight/UA661
How we measure this →