Departure
Scheduled departure: 2026-10-29 18:35 (UTC-06:00). Confirm airport transport and terminal opening hours in advance.
UA27 Denver International Airport to London Heathrow Airport nonstop flight: schedule, airports, aircraft and travel guide.
UA27 Flight Overview
UA27 is operated by United Airlines and connects Denver International Airport (DEN) and London Heathrow Airport (LHR). Scheduled departure: 2026-10-29 18:35 (UTC-06:00); scheduled arrival: 2026-10-30 09:40 (UTC+00:00).
AirlineUnited Airlines
Flight numberUA27
RouteDEN to LHR
Scheduled duration9 hr 5 min
Denver to London Route Information
UA27 is a nonstop international flight from Denver International Airport (DEN) to London Heathrow Airport (LHR). Use the information below to plan your journey.
Route distanceApprox. 7,518 km
Scheduled flight time9 hr 5 min
Time difference360 min
Flight typeInternational
Arrival
Scheduled arrival: 2026-10-30 09:40 (UTC+00:00). Arrange pickup, hotel and onward transport for the arrival date.
Time zones
Departure: Denver (UTC-06:00); arrival: London (UTC+00:00).
UA27 On-time Performance & History
Methodology
Arrival on-time rate
Sample flights-
Average departure delay-
Average arrival early-
Cancllation rate-
Longest delay-
Early arrivals-
Historical statistics are for reference only and do not predict future flight performance.
Aircraft, Cabin & Services
Based on currently published aircraft and cabin information; the operating aircraft may change.
Published aircraft type
Boeing 787
Economy 31 in
Business 30 · Economy 255
Seat configuration depends on the operating aircraft
31 in
Availability and fees depend on the flight
UA27 Airports
Terminals follow the published schedule; check official airline channels for same-day gates and operations.
DENDenver International Airport
Denver, United States · UTC-06:00
- Departure terminal
- Check-in counter
- Announced on the day
LHRLondon Heathrow Airport
London · UTC+00:00
- Arrival terminal
- T2
- Baggage belt
- Announced on the day
Denver International Airport Departure & London Heathrow Airport Arrival Guide
Departure date: 2026-10-29. Terminal and arrival information helps plan your journey.
Departing from Denver International Airport
UA27 is scheduled to depart from . Allow time for international check-in, baggage drop, security and immigration.
Arriving at London Heathrow Airport
Scheduled arrival is at T2. After immigration, take the MRT, taxi, ride-hailing service or airport bus to the city.
Planning your arrival
Scheduled arrival: 2026-10-30 09:40. Use the arrival date when booking hotels and pickup services.
Flight Changes, Cancellations & Missed Flights
If the schedule or aircraft changes, follow the booking channel and operating carrier rules.
Schedule changes
After an airline or booking-platform notice, confirm the new date, terminal and connecting transport.
Cancellation and changes
Refund, rebooking and involuntary-change rules depend on the booking channel, fare conditions and airline notice.
Missed flight
If you may not reach the airport on time, contact the booking channel or airline quickly to protect later sectors.
Check-in, Baggage & Entry Tips
International check-in deadlines, baggage allowance and entry requirements may vary by fare and traveller.
Arrive early for check-in
Arrive at least 3 hours before departure. Counter opening times and online check-in rules follow Denver International Airport guidance.
Check baggage allowance
Checked and carry-on baggage allowances depend on cabin, fare rules and membership tier. See the baggage terms in your booking.
Prepare entry documents
Before departure, check passport validity, visa or visa-free eligibility, andLondon Heathrow Airport’ latest arrival declaration requirements.
What should I check before flying UA27?
Check the departure date
For an overnight flight, check the departure date on your ticket and plan airport transport in advance.
Confirm the operating carrier
Follow the airline rules shown in your booking for check-in and checked baggage.
Check boarding information
Gates and operating times may change; follow airline notices and airport displays.
Popular route recommendations
UA27 Frequently Asked Questions
Which airline operates this flight?
UA27 is operated by United Airlines.
Where does it depart and arrive?
Denver International Airport (DEN) → London Heathrow Airport (LHR).
What are the departure and arrival times?
Scheduled departure 18:35, arrival 09:40 · 9 hours 5 minutes.
Which terminal is used for check-in?
Departure terminal No data, arrival terminal T2. Check-in, gate and baggage belt are announced on the day.
Are meals and inflight entertainment available?
Meals: Free snacks on flights over 300 miles; food and alcohol for purchase in economy. Inflight entertainment: Seatback entertainment and personal device entertainment.
Explore This Route
Departure airportFlights from Denver International Airport
Arrival airportLondon Heathrow Airport information
Operating airlineUnited Airlines information