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.
BNA → IAH
Nashville to Houston: 1,421 nonstop flights a year
On time (12 months)
82%
Cancelled
1.3%
avg delay 17 min
Best time to leave
9 AM to noon
89% on time vs 54% 3 to 6 PM
Most reliable airline
SkyWest
85% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Best trips
7 nonstop, 33 with 1 connection. Best overall weighs the chance you arrive on time as booked, connection odds, travel time and separate tickets.
Best overall#1 · Nonstop · 2h 29m
8:00 AM → 10:29 AM
88%
arrive on time
90% on time · 1.7% cancel8:00 AM BNA → 10:29 AM IAH2h 29m
SkyWest 5300 · sold as United Express, Delta Connection, American Eagle or Alaska
Embraer E175 · 2–12 yrs oldFind 8:00 AM flight fares Opens this date on Aviasales#2 · Nonstop · 2h 25m
10:30 AM → 12:55 PM
88%
arrive on time
89% on time · 0.9% cancel10:30 AM BNA → 12:55 PM IAH2h 25m
United 241
Airbus A320 · 20–28 yrs oldFind United 241 fares Opens this date on Aviasales#3 · Nonstop · 2h 29m
6:15 AM → 8:44 AM
86%
arrive on time
87% on time · 1.2% cancel6:15 AM BNA → 8:44 AM IAH2h 29m
SkyWest 4746 · sold as United Express, Delta Connection, American Eagle or Alaska
Embraer E175 · 9–12 yrs oldFind 6:15 AM flight fares Opens this date on Aviasales#4 · Nonstop · 2h 25m
12:50 PM → 3:16 PM
85%
arrive on time
86% on time · 0.5% cancel12:50 PM BNA → 3:16 PM IAH2h 25m
United 1341
Boeing 737-800 or Airbus A319 · 14–28 yrs oldFind United 1341 fares Opens this date on Aviasales#5 · Nonstop · 2h 12m
6:30 AM → 8:42 AM
84%
arrive on time
85% on time · 0.8% cancel6:30 AM BNA → 8:42 AM IAH2h 12m
United 286
Boeing 737-900 or 737-700 · 24–27 yrs oldFind United 286 fares Opens this date on Aviasales#6 · Nonstop · 2h 25m
6:00 PM → 8:25 PM
73%
arrive on time
74% on time · 1.0% cancel6:00 PM BNA → 8:25 PM IAH2h 25m
United 2490
Boeing 737-700 · 12–28 yrs oldFind United 2490 fares Opens this date on Aviasales#7 · Nonstop · 2h 25m
4:35 PM → 6:59 PM
73%
arrive on time
74% on time · 1.8% cancel4:35 PM BNA → 6:59 PM IAH2h 25m
United 2339
Boeing 737-800 or 737 MAX 9 · 1–27 yrs oldFind United 2339 fares Opens this date on Aviasales#8 · 1 connection · 5h 24m · one ticket (Delta)
8:30 AM → 1:54 PM
91%
connections made
77%
arrive on time
94% on time · 4.6% cancel8:30 AM BNA → 10:39 AM ATL1h 09m
Delta 2250 · also flew as 1084
Boeing 717 · 21–27 yrs oldConnect in ATL · 1h 56m · 98% chance to make it · same ticket: the airline rebooks you if you miss it85% on time · 2.3% cancel12:35 PM ATL → 1:54 PM IAH2h 19m
Delta 1988
Airbus A321 · 5–9 yrs oldFind this Delta trip Look for Delta 2250 + Delta 1988 on Aviasales#9 · 1 connection · 5h 48m · separate tickets
7:25 AM → 1:13 PM
94%
connections made
84%
arrive on time
89% on time · 1.2% cancel7:25 AM BNA → 9:37 AM ATL1h 12m
Delta 2802
Boeing 737-800 or 717 · 24–27 yrs oldConnect in ATL · 2h 07m · 96% chance to make it · separate tickets: collect and re-check bags, re-clear security; if you miss it the second airline does not have to rebook you90% on time · 0.8% cancel11:44 AM ATL → 1:13 PM IAH2h 29m
United 425
Airbus A320 · 6–28 yrs oldFlight 1: find Delta 2802 (BNA–ATL) Flight 2: find United 425 (ATL–IAH) Book each flight separately on Aviasales#10 · 1 connection · 5h 41m · separate tickets
7:40 AM → 1:21 PM
98%
connections made
84%
arrive on time
95% on time · 0.6% cancel7:40 AM BNA → 9:20 AM MSY1h 40m
Southwest 2135 · also flew as 652, 2774
Boeing 737-800 or 737 MAX 8 · 1–19 yrs oldConnect in MSY · 2h 35m · 99% chance to make it · separate tickets: collect and re-check bags, re-clear security; if you miss it the second airline does not have to rebook you86% on time · 0.6% cancel11:55 AM MSY → 1:21 PM IAH1h 26m
United 1470
Airbus A319 · 20–29 yrs oldFlight 1: find Southwest 2135 (BNA–MSY) Flight 2: find United 1470 (MSY–IAH) Book each flight separately on Aviasales
Aircraft and ages come from the planes each flight number actually flew in the last 3 months of data (FAA registry build years); airlines can swap planes.
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)85%
398 flights · 87% on time as flown · 1.3% cancel
- United Airlines81%
992 flights · 82% on time as flown · 0.9% cancel
- Spirit Airlines68%
31 flights · 32% on time as flown · 4.4% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM88%
614 flights · avg delay 12 min
- 9 AM to noon89%
267 flights · avg delay 7 min
- Noon to 3 PM85%
186 flights · avg delay 17 min
- 3 to 6 PM54%
136 flights · avg delay 42 min
- 6 to 9 PM73%
218 flights · avg delay 27 min
Best day: Tuesday (86%). Worst: Friday (80%).
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