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United Airlines

Is UA558 delayed?

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

DepartedLast reported

81 min late

This update may be out of date.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

Update time unavailable

Departure

Denver

DEN

Actual

Scheduled 08:03

Sep 16

Arrival

Boston

BOS

Scheduled

Sep 16

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available
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Route overview: Denver → BostonDENBOS
Route overview

Recent arrivals

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

  • DEN → BOS

    13 min late

  • IAD → ATL

    3 min late

  • DEN → BOS

    28 min early

  • DEN → BOS

    19 min early

  • DEN → BOS

    3 min early
Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals
19
Arrivals over 15 minutes late
0
Observed cancellations
0
Observed occurrences
23

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

UA558 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 14, 2026ArrivedDenverBoston
13
Sep 12, 2026ArrivedDullesAtlanta
3
Sep 11, 2026ArrivedDenverBoston
-28
Sep 10, 2026ArrivedDenverBoston
-19
Sep 9, 2026ArrivedDenverBoston
-3
Sep 8, 2026ArrivedDenverBoston
-12
Sep 7, 2026ArrivedDenverBoston
-2
Sep 4, 2026ArrivedDenverBoston
-9
Sep 1, 2026ArrivedDenverBoston
-35
Aug 31, 2026ArrivedDenverBoston
-30
Aug 30, 2026ArrivedDenverBoston
-24
Aug 28, 2026ArrivedDenverBoston
-18
Aug 27, 2026ArrivedDenverBoston
-18
Aug 26, 2026ArrivedDenverBoston
-12
Aug 25, 2026ArrivedDenverBoston
-23
Aug 24, 2026ArrivedDenverBoston
-24
Aug 23, 2026ArrivedDenverBoston
-10
Aug 21, 2026ArrivedDenverBoston
-23
Aug 20, 2026ArrivedDenverBoston
-31

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