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United Airlines

Is UA4077 delayed?

No delay reported yet. UA4077 is scheduled to leave Philadelphia at 10:44 on Nov 14 and reach Dulles at 11:33 (as of Nov 14, 14:30 UTC). Of its last 4 arrivals, 1 landed more than 15 min late.

No live update yet

Showing the published schedule until live times come in.

Update time unavailable

Departure

Philadelphia

PHL

Scheduled

Nov 14

Arrival

Dulles

IAD

Scheduled

Nov 14

Times shown in airport local time

Service date: · Scheduled departure date (America/New_York)

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available

Route overview: Philadelphia → DullesPHLIAD
Philadelphia → Dulles

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • Philadelphia → Dulles

    17 min early
  • Philadelphia → Dulles

    162 min late
  • Oklahoma City → Houston

    34 min early
  • Oklahoma City → Houston

    28 min early

Is UA4077 usually late?

Period: Oct 15, 2026 – Nov 14, 2026

Arrivals tracked
4
Late
1
Cancelled
0

Percentages and delay figures appear once 10 arrivals are recorded.

On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.

How flight status works

At the airports today

Philadelphia (PHL) departures

Left more than 15 min late
5 of 38
Cancelled today
34
Flights from Philadelphia to Dulles today

Dulles (IAD) departures

Left more than 15 min late
12 of 40
Cancelled today
28

All United Airlines flights

Flight history and details
UA4077 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 7, 2026ArrivedPhiladelphiaDulles-17
Oct 31, 2026ArrivedPhiladelphiaDulles162
Oct 21, 2026ArrivedOklahoma CityHouston-34
Oct 18, 2026ArrivedOklahoma CityHouston-28
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