UA550United Airlines · YYC → DEN
live · 4m ago
Route confirmed United Airlines

UA550 CalgaryYYC · 06:00 DenverDEN · 08:34

UA550 by United Airlines flies from Calgary (YYC) to Denver (DEN) for the Mon, Sep 7 departure.

Right nowIn the air to Denver · off blocks 05:55 · 5 min early
08:41

estimated arrival at DEN · local time · ~2h 03m from now

LivePosition · updated 4m ago
YYC795 mi · ~2h 03m leftDEN
35,000 ftAltitudecruising
483 mphSpeed420 kt
167°Direction

Live position · flown path, last 22 min

Typical gate push−6 minmedian posted departure
Typical arrival−3 minmedian over 4 operations

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
09-07
−5 gate · +7 arrival
09-06
−10 gate · −16 arrival
09-05
−10 gate · −22 arrival
09-04
−6 gate · −3 arrival

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

The route today

live boards
YYCCalgaryModerate riskYYC delay board →
DENDenverHigh riskDEN delay board →
YYC→DENevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Early read, sample still building
42%Chance of 15+ min delay
6.3%Chance of cancellation
+10 minAvg hub delay right now

Driven mainly by YYC (Calgary), currently flying LIFR (low instrument). For this route and airline, under conditions like today's, over the last 90 days. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.

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 Calgary to Denver flights today

same route · United Airlines
UA1435departs 08:00
UA1953departs 13:27

If UA550 is cancelled, these are the other United Airlines nonstop flights from Calgary to Denver on the same day, with scheduled departure times in YYC local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA550 actually runs

Pro Flight Search has tracked every published board update for UA550 across the YYC and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands ~16 min early. Based on 3 confirmed landings · 3/3 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 UA550 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
09-07YYC 06:00 05:55 (−5)DEN 08:34 08:41 (+7)
09-06YYC 06:00 05:50 (−10)DEN 08:34 08:18 (−16)
09-05YYC 06:00 05:50 (−10)DEN 08:34 08:12 (−22)
09-04YYC 06:00 05:54 (−6)DEN 08:34 08:31 (−3)

Aircraft

Recent tails: N75425, N37419, N69813.

Board clocks recorded as YYC and DEN published them.

Planning around UA550? 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 — UA550 Calgary to Denver on-time performance, measured from the YYC and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/UA550
How we measure this →