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United Airlines

Is UA4550 delayed?

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

Last reported

Cancelled

This update may be out of date. Check with your airline.

Update time unavailable

Departure

Chicago

ORD

Scheduled

Aug 23

Arrival

—

—

Scheduled

Aug 24

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available

Recent arrivals

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

  • DAY → IAD

    20 min early

  • LGA → YUL

    23 min early

  • LGA → YUL

    20 min early

  • DAY → IAD

    17 min early

  • LGA → YUL

    2 min late
Flight history and details

Aug 18, 2026 — Sep 17, 2026

Observed arrivals
23
Arrivals over 15 minutes late
3
Observed cancellations
3
Observed occurrences
27

Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.

How flight status works

UA4550 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 17, 2026ArrivedDaytonDulles
View this flight’s market
-20
Sep 17, 2026ArrivedNew YorkMontreal
-23
Sep 16, 2026ArrivedNew YorkMontreal
-20
Sep 15, 2026ArrivedDaytonDulles
-17
Sep 15, 2026ArrivedNew YorkMontreal
2
Sep 14, 2026ArrivedDaytonDulles
-17
Sep 14, 2026ArrivedNew YorkMontreal
-17
Sep 13, 2026ArrivedNew YorkMontreal
-25
Sep 12, 2026ArrivedNew YorkMontreal
-33
Sep 11, 2026ArrivedDaytonDulles
-18
Sep 11, 2026ArrivedNew YorkMontreal
-3
Sep 10, 2026ArrivedDaytonDulles
-27
Sep 10, 2026ArrivedNew YorkMontreal
-25
Sep 9, 2026ArrivedDaytonDulles
-28
Sep 9, 2026ArrivedNew YorkMontreal
-28
Sep 8, 2026ArrivedNew YorkMontreal
-11
Sep 7, 2026ArrivedBangorNewark
35
Sep 7, 2026ArrivedNew YorkMontreal
17
Sep 6, 2026ArrivedNew YorkMontreal
-25
Sep 5, 2026ArrivedNew YorkMontreal
-22
Sep 4, 2026ArrivedBangorNewark
15
Sep 4, 2026ArrivedNew YorkMontreal
8
Sep 3, 2026ArrivedBangorNewark
35
Aug 26, 2026CancelledChicagoNot available
Not available
Aug 25, 2026CancelledChicagoNot available
Not available
Aug 23, 2026CancelledChicagoNot available
Not available

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