ATIS Alerts Smart Flight Search
Find the flight least likely to be delayed
BetaWe rank real flight numbers by how often they flew and arrived on time over the last 12 months, adjusted for your travel month and departure time, then check nearby airports and calmer connections. US airlines and airports.
ORD → EWR
Chicago to Newark: 5,992 nonstop flights a year
On time (12 months)
69%
Cancelled
3.2%
avg delay 27 min
Best time to leave
Before 9 AM
90% on time vs 54% 6 to 9 PM
Most reliable airline
Envoy
76% chance on time
Lowest nonstop fare seen in the next two months: $129 (United 2455 on 2026-11-08). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · United 2295
6:00 AM → 9:10 AM2h 10m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as United 2145; its record covers all of them.
89%
chance on time
- On time (history)
- 95%
- Cancelled
- 3.4%
- Avg arrival delay
- 4 min
- Arrived on time 95% of the time (85 flights, Jun 2025 to May 2026).
- Cancelled 3.4% of the time (3 of 88).
- Leaves in this route's most on-time window (Before 9 AM: 90% on time; 6 to 9 PM: 54%).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
Moderate track record · 85 flights
Find United 2295 fares Opens this date on Aviasales#2 · United 563
7:00 AM → 10:20 AM2h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31.
89%
chance on time
- On time (history)
- 91%
- Cancelled
- 1.1%
- Avg arrival delay
- 6 min
- Arrived on time 91% of the time (352 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 90% on time; 6 to 9 PM: 54%).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
Strong track record · 352 flights
Find United 563 fares Opens this date on Aviasales#3 · United 1939
5:00 AM → 8:13 AM2h 13m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as United 795, 2692; its record covers all of them.
87%
chance on time
- On time (history)
- 98%
- Cancelled
- 2.1%
- Avg arrival delay
- 1 min
- Arrived on time 98% of the time (46 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 90% on time; 6 to 9 PM: 54%).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
- Short track record (46 flights), so its score leans on the airline's record at this hour.
Limited track record · 46 flights
Find United 1939 fares Opens this date on Aviasales#4 · Envoy 3573 · sold as American Eagle
6:51 AM → 10:12 AM2h 21m nonstop
Local times, typical schedule. Last flown 2026-05-20.
86%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 91% of the time (44 flights, Jun 2025 to May 2026).
- Never cancelled in 44 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 90% on time; 6 to 9 PM: 54%).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
Limited track record · 44 flights
Find 6:51 AM flight fares Opens this date on Aviasales#5 · Envoy 3848 · sold as American Eagle
8:00 AM → 11:17 AM2h 17m nonstop
Local times, typical schedule. Last flown 2026-04-06.
80%
chance on time
- On time (history)
- 85%
- Cancelled
- 7.3%
- Avg arrival delay
- 11 min
- Arrived on time 85% of the time (140 flights, Jun 2025 to May 2026).
- Cancelled 7.3% of the time (11 of 151).
- Leaves in this route's most on-time window (Before 9 AM: 90% on time; 6 to 9 PM: 54%).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
Moderate track record · 140 flights
Find 8:00 AM flight fares Opens this date on Aviasales#6 · United 2488
12:00 PM → 3:21 PM2h 21m nonstop
Local times, typical schedule. Last flown 2026-05-20.
80%
chance on time
- On time (history)
- 95%
- Cancelled
- 0.0%
- Avg arrival delay
- 11 min
- Arrived on time 95% of the time (20 flights, Jun 2025 to May 2026).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
- Lands inside EWR's trouble window: 65% of its 259 ground stops and delay programs started between 1 PM and 7 PM.
- 59% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 20 flights
Find United 2488 fares Opens this date on Aviasales#7 · United 1856
10:40 AM → 2:00 PM2h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as United 1904; its record covers all of them.
75%
chance on time
- On time (history)
- 81%
- Cancelled
- 1.8%
- Avg arrival delay
- 8 min
- Arrived on time 81% of the time (107 flights, Jun 2025 to May 2026).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
- Lands inside EWR's trouble window: 65% of its 259 ground stops and delay programs started between 1 PM and 7 PM.
Moderate track record · 107 flights
Find United 1856 fares Opens this date on Aviasales#8 · United 704
2:30 PM → 5:55 PM2h 25m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as United 1892; its record covers all of them.
74%
chance on time
- On time (history)
- 84%
- Cancelled
- 0.0%
- Avg arrival delay
- 6 min
- Arrived on time 84% of the time (67 flights, Jun 2025 to May 2026).
- Never cancelled in 67 scheduled flights.
- Departs inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
- Lands inside EWR's trouble window: 65% of its 259 ground stops and delay programs started between 1 PM and 7 PM.
Moderate track record · 67 flights
Find United 704 fares Opens this date on Aviasales#9 · United 606
11:40 AM → 3:00 PM2h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31.
74%
chance on time
- On time (history)
- 80%
- Cancelled
- 1.0%
- Avg arrival delay
- 14 min
- Arrived on time 80% of the time (100 flights, Jun 2025 to May 2026).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
- Lands inside EWR's trouble window: 65% of its 259 ground stops and delay programs started between 1 PM and 7 PM.
Moderate track record · 100 flights
Find United 606 fares Opens this date on Aviasales#10 · American 3170
6:47 AM → 10:02 AM2h 15m nonstop
Local times, typical schedule. Last flown 2026-05-31.
73%
chance on time
- On time (history)
- 82%
- Cancelled
- 0.0%
- Avg arrival delay
- 33 min
- Arrived on time 82% of the time (11 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 90% on time; 6 to 9 PM: 54%).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
- Short track record (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find American 3170 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Envoy Air (sold as American Eagle)76%
721 flights · 80% on time as flown · 4.4% cancel
- United Airlines69%
4,335 flights · 71% on time as flown · 2.2% cancel
- Republic Airways (sold as American Eagle, Delta Connection or United Express)62%
106 flights · 62% on time as flown · 5.0% cancel
- American Airlines51%
643 flights · 53% on time as flown · 4.1% cancel
- Spirit Airlines47%
187 flights · 45% on time as flown · 8.5% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM90%
1,258 flights · avg delay 7 min
- 9 AM to noon73%
1,117 flights · avg delay 20 min
- Noon to 3 PM69%
1,144 flights · avg delay 30 min
- 3 to 6 PM58%
886 flights · avg delay 44 min
- 6 to 9 PM54%
1,221 flights · avg delay 38 min
- After 9 PM61%
366 flights · avg delay 31 min
Best day: Tuesday (77%). Worst: Thursday (68%).
Smarter routing
Nearby airports that run more on time
ORD → HPN 75% chance on time
Chicago O'Hare International Airport to Westchester County Airport · 1,477 flights a year · 36 mi from your airports · yours: 67%
ORD → JFK 71% chance on time
Chicago O'Hare International Airport to John F. Kennedy International Airport · 1,964 flights a year · 21 mi from your airports · yours: 67%
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure