SkyWest Airlines
Is OO557 delayed?
No — OO557 landed in Chattanooga 2 min early, at 15:29 on Sep 7 (as of Sep 7, 19:30 UTC). Over its last 7 recorded arrivals, 2 landed more than 15 min late.
Each route and date is shown separately. Confirm that both airports match your booking.
2 min early
Official source · Updated
Departure
Houston
IAH
Actual
Scheduled 12:56
Sep 7
Arrival
Chattanooga
CHA
Actual
Scheduled 15:31
Sep 7
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
12 min early
Official source · Updated
Departure
Denver
DEN
Actual
Scheduled 20:54
Sep 7
Arrival
St George
SGU
Actual
Scheduled 22:09
Sep 7
Times shown in airport local time
Service date: · Scheduled departure date (America/Denver)
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
Denver → St George
- 2 min early
Houston → Chattanooga
- On schedule (2 min behind)
Denver → St George
- 7 min early
Houston → Chattanooga
- 14 min early
Houston → Chattanooga
Is OO557 usually late?
Observation window: Aug 31, 2026 – Sep 30, 2026
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. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Houston (IAH) departures
No departures recorded yet today.
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 7, 2026Arrived | Denver | St George | -12 | |
| Sep 7, 2026Arrived | Houston | Chattanooga | -2 | |
| Sep 6, 2026Arrived | Denver | St George | 2 | |
| Sep 6, 2026Arrived | Houston | Chattanooga | -7 | |
| Sep 5, 2026Arrived | Houston | Chattanooga | -14 | |
| Sep 4, 2026Arrived | Denver | St George | 53 | |
| Sep 4, 2026Arrived | Houston | Chattanooga | 134 |
Email me if OO557 runs late
We email you if your next OO557 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.