Flight number record
OO 5395
SkyWest Airlines · Chicago to Greensboro
- Route
- ORD → GSO
- Departs
- 13:43
- Flights
- 321
- Period
- July 2025 to June 2026
Historical statistics for July 2025 to June 2026, not live status. For today’s OO 5395, check with SkyWest Airlines. SkyWest Airlines flies under contract for larger airlines, so a ticket for this flight may show a different airline code and number.
OO 5395 lands a B, 4 points better than the national rate of 77.6%. About one flight in five arrives 15 minutes late or worse, and those flights are late by about an hour on average. That is a workable record, not a spotless one. That rests on 321 flights, with a median arrival 8 minutes early.
Key figures
On time
81.2%
Arrivals under 15 minutes late, of 313 completed flights
Avg delay
67 min
Across delayed arrivals only, not all flights
Cancelled
2.49%
National rate is 1.81%
1 hour+ late
6.4%
National rate is 8.1%
These figures cover 321 flights between July 2025 and June 2026. The median arrival is 8 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.
Schedule
When OO 5395 flies
OO 5395 flies ORD to GSO without a single fixed slot. Its most common scheduled departure was 13:43, used on 67 of 321 flights, with 13:47 (52 flights) and 13:44 (48 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.
- Departs 13:4367 flights20.9%
- Departs 13:4752 flights16.2%
- Departs 13:4448 flights15.0%
Scale runs 0% to 100%. Rows with fewer than 30 flights show a dash.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 13:43 departure sits in the 11am–2pm window. Across every US flight scheduled in that window the on-time rate is 78.8%, and OO 5395 runs 2 points better at 81.2%. Midday slots inherit some of the morning's delays without yet carrying the full weight of the evening's.
Against the route
OO 5395 next to ORD to GSO
Every carrier on ORD to GSO combined arrived on time 77.8% of the time across 1,558 flights, so OO 5395 is 3 points ahead of it. SkyWest flew 600 flights on the same city pair under all its flight numbers, including this one, and those ran 73.0% on time. Across its whole network SkyWest Airlines managed 79.0%, which this flight beats by 2 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| OO 5395thin sample | 321 | 81.2% | 67 min | 2.49% | B |
| All SkyWest Airlines on ORD–GSO | 600 | 73.0% | 61 min | 3.17% | C− |
| All carriers on ORD–GSO | 1,558 | 77.8% | 65 min | 2.89% | B |
| SkyWest Airlines, whole network | 852,935 | 79.0% | 88 min | 1.77% | B |
Across the year
OO 5395 quarter by quarter
OO 5395 did not run the same all year. Its best quarter was Jul–Sep 2025 at 85.6% on time and its weakest Apr–Jun 2026 at 73.5%, a swing of 12 points on roughly 80 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.
- Jul–Sep 202591 flights85.6%
- Oct–Dec 202591 flights85.6%
- Jan–Mar 202689 flights76.2%
- Apr–Jun 202650 flights73.5%
Scale runs 65% to 90%. Rows with fewer than 30 flights show a dash.
By weekday, OO 5395 ranged from 77.3% on Friday to 85.7% on Sunday. With about 46 flights behind each day, a spread of 8 points is inside normal variation, so the day you fly is not worth changing for this flight.
Delay causes
Why OO 5395 runs late
One category carries most of the weight here. Carrier accounts for 46% of the 3,972 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.
- 46%Carrier
- 26%Late-arriving aircraft
- 20%National Airspace System
- 8%Extreme weather
The largest share of delay minutes, 46%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. Unlike weather, that is a management outcome, and it is the category where the gap between two carriers on the same schedule is genuinely earned. It accounts for 1,810 of the 3,972 delay minutes reported here. The split is drawn from 3,972 delay minutes reported on OO 5395.
Cancellations sit at 2.49% against a national 1.81%, which is ordinary. Diversions add another 0.00%.
Connections and routes
What a delay on this flight costs
6.4% of arrivals land an hour or more late, close to the national 8.1%. That is the figure that decides a connection, and it says a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last about an hour, which a normal layover absorbs.
The 589 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty. It is also long enough that the aircraft usually flies three or four legs a day rather than six, which slows how fast delay compounds.
The same number turns up on one other city pair in the data, including IAH to SHV (41), but none flew often enough under OO 5395 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to ORD to GSO only.
One caution: this is a thin sample. 321 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking OO 5395
For a booking, read OO 5395 as 81.2% on time with 2.49% cancelled over 321 flights. Those are rates from the past twelve months, not a forecast for any particular day.
Related
Where to go next
- ORD to GSO, every carrier and departure
- GSO to ORD, the return direction
- Envoy Air 3648 on the same route77.3%
- Chicago O'Hare International (ORD) delay statistics
- SkyWest Airlines on-time record
- Every SkyWest Airlines flight number with a record
- The most and least reliable flight numbers in the US
- The best time of day to fly, according to 7.04 million flight records
A flight number here means SkyWest Airlines’s own number as it reports to the DOT. How the figures are computed is on the methodology page.
Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.