United Airlines
Is UA5638 delayed?
Service date: · Scheduled departure date (America/Los_Angeles)
Arrived
17 min early
Official source · Updated
Departure
San Francisco
SFO
Actual
Scheduled 14:24
Sep 8
Arrival
Dallas-Fort Worth
DFW
Actual
Scheduled 19:45
Sep 8
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 12 min early
SFO → DFW
- 13 min late
SFO → DFW
- 26 min early
SFO → DFW
- 17 min early
SFO → DFW
- 2 min early
DEN → CPR
Flight history and details
Aug 22, 2026 — Sep 21, 2026
- Observed arrivals
- 9
- Arrivals over 15 minutes late
- 0
- Observed cancellations
- 0
- Observed occurrences
- 20
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 19, 2026Arrived | San Francisco | Dallas-Fort Worth | -12 | |
| Sep 15, 2026Arrived | San Francisco | Dallas-Fort Worth | 13 | |
| Sep 12, 2026Arrived | San Francisco | Dallas-Fort Worth | -26 | |
| Sep 8, 2026Arrived | San Francisco | Dallas-Fort Worth | -17 | |
| Sep 7, 2026Arrived | Denver | Casper | -2 | |
| Sep 5, 2026Arrived | Denver | Casper | -14 | |
| Sep 4, 2026Arrived | Denver | Casper | -16 | |
| Sep 1, 2026Arrived | Denver | Casper | -3 | |
| Aug 31, 2026Arrived | Denver | Casper | -24 |