Is UA4399 delayed?
No delay reported yet — UA4399 is scheduled to leave Chicago at 16:27 on Sep 29 and reach Fayetteville/Springdale/ at 17:50 (as of Sep 29, 21:01 UTC).
Usually on time: arrived within 15 min of schedule on 12 of the last 21 flights.
No live update yet
Showing the published schedule until live times are reported.
Update time unavailable
Departure
Chicago
ORD
Scheduled
Sep 29
Arrival
Fayetteville/Springdale/
XNA
Scheduled
Sep 29
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Think UA4399 runs late today? Delayed is trading at 37¢ — pays out x2.70.
Will United Airlines UAL 4399 from Chicago to Fayetteville/Springdale/ arrive on time, be delayed, or be cancelled on Sep 29?Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Also sold as AC3564, NZ2716, LH8847
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 17 min early
Chicago → Fayetteville/Springdale/
- 136 min late
Chicago → Fayetteville/Springdale/
- 21 min early
Chicago → Fayetteville/Springdale/
- 25 min early
Chicago → Fayetteville/Springdale/
- 18 min early
Chicago → Fayetteville/Springdale/
Is UA4399 usually late?
Observation window: Aug 30, 2026 – Sep 29, 2026
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
Chicago (ORD) departures
- Left more than 15 min late
- 108 of 166
- Cancelled today
- 3
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 28, 2026Arrived | Chicago | Fayetteville/Springdale/ | -17 | |
| Sep 27, 2026Arrived | Chicago | Fayetteville/Springdale/ | 136 | |
| Sep 26, 2026Arrived | Chicago | Fayetteville/Springdale/ | -21 | |
| Sep 25, 2026Arrived | Chicago | Fayetteville/Springdale/ | -25 | |
| Sep 24, 2026Arrived | Chicago | Fayetteville/Springdale/ | -18 | |
| Sep 23, 2026Arrived | Chicago | Fayetteville/Springdale/ | 8 | |
| Sep 22, 2026Arrived | Chicago | Fayetteville/Springdale/ | -1 | |
| Sep 21, 2026Arrived | Chicago | Fayetteville/Springdale/ | -19 | |
| Sep 20, 2026Arrived | Chicago | Fayetteville/Springdale/ | 76 | |
| Sep 17, 2026Arrived | Chicago | Fayetteville/Springdale/ | 20 | |
| Sep 16, 2026Arrived | Chicago | Fayetteville/Springdale/ | 35 | |
| Sep 15, 2026Arrived | Chicago | Fayetteville/Springdale/ | 100 | |
| Sep 14, 2026Arrived | Chicago | Fayetteville/Springdale/ | 42 | |
| Sep 10, 2026Arrived | Chicago | Fayetteville/Springdale/ | 11 | |
| Sep 9, 2026Arrived | Chicago | Fayetteville/Springdale/ | 3 | |
| Sep 8, 2026Arrived | Chicago | Fayetteville/Springdale/ | 72 | |
| Sep 7, 2026Arrived | Chicago | Fayetteville/Springdale/ | -24 | |
| Sep 6, 2026Arrived | Omaha | Chicago | 116 | |
| Sep 5, 2026Arrived | Chicago | Fayetteville/Springdale/ | 4 | |
| Sep 4, 2026Arrived | Omaha | Chicago | -6 | |
| Aug 30, 2026Arrived | Chicago | Fayetteville/Springdale/ | 40 |
Email me if UA4399 runs late
We email you if your next UA4399 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.